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Pitching Prospects in the Kansas City Royals System: The Sleepers

Sleeper Pitching Prospects in the Kansas City Farm System

Through drafting and trades, the Kansas City Royals have collected an outstanding group of pitching prospects in Mike Montgomery, John Lamb, Dan Duffy, Chris Dwyer, Jake Odorizzi, Jeremy Jeffress, and Aaron Crow. But the system has a second tier of pitching prospects beyond the top group. In many organizations, these pitchers would get much more attention, however in Kansas City they get overlooked. So let's correct that, and take a look at some of the sleeper prospects in this loaded organization.

Star-divide

Jason Adam, RHP: Drafted in the fifth round last year from a high school in the Kansas City suburb of Overland Park, Adam hasn't pitched professionally yet so might get overlooked by casual fans. He can hit the mid-90s but needs work on his secondary pitches and command. Scout say he has the upside of a number two starter, and in many systems he would already be a Top Ten prospect. I gave him a Grade C+ in the book, with higher grades possible as he starts pitching.

Buddy Baumann, LHP: A seventh round pick in 2009 from Missouri State University, Baumann is a finesse lefty who works in the 80s but has an excellent curveball and changeup. He posted a 2.24 ERA with a 113/36 K/BB in 100 innings for High-A Wilmington with just 76 hits allowed last year. Although the park was in his favor, I don't think it is all illusion. I saw him pitch in college and he's got a great feel for changing speeds and pitching. I have him rated as a Grade C+ with a chance to be a fourth/fifth starter or a bullpen asset.

Kevin Chapman, LHP: A fourth round pick from the University of Florida last year, Chapman is a power lefty with a 90-94 MPH fastball and a hard slider. He fanned 20 in 18 innings for Wilmington, but might be overlooked due to his 5.50 ERA. He was extremely effective in college, however, where he saved 13 games with a 1.65 ERA and strong component ratios last year. If he throws strikes he can move to the majors quickly as a reliever, and his stuff  is good enough he doesn't have to be a mere LOOGY. Grade C+.

Louis Coleman, RHP: Drafted out of LSU in the fifth round in 2009, Coleman has been very effective in pro ball so far, with a 2.06 ERA and a 125/29 K/BB in 114 innings, 72 hits allowed, all in relief including an impressive performance in Triple-A last year. He's got solid velocity, good breaking stuff, a deceptive delivery, and an unimpeachable statistical track record. We should see him in the majors this year, and it wouldn't surprise me if he gets a chance to close eventually. At worst he'll be a great 8th inning guy. I gave him a Grade B-, a high grade for a reliever, but I really like him.

Tim Collins, LHP: Collins is well-known to sabermetrically-oriented fans. Originally in the Blue Jays system, he was traded to the Braves and then to the Royals last year. His career numbers: 2.26 ERA, 329/96 K/BB in 223 innings, 141 hits. . .his K/IP and H/IP marks are terrific. He has a nasty breaking ball and an above average fastball despite his 5-7, 155 pound frame. Scouts were skeptical at first, but as he's moved up the ladder successfully, more of them are buying in. I rate him as a Grade C+ and a likely contributor in the KC bullpen later this year. His stuff is good enough that he won't be confined to LOOGYdom.

Patrick Keating, RHP: Keating was drafted in the 20th round in 2009 from the University of Florida. In 104 professional innings, he has a 2.08 ERA with a 148/39 K/BB and just 72 hits allowed, along with 24 saves. This includes 10 saves, a 3.10 ERA and a 60/19 K/BB in just 41 innings in Double-A last year. Keating has a 90-94 MPH heater, a good slider, and outstanding K/IP marks. We should see him in the Royals bullpen later this year or in 2012, and he's another Grade C+ prospect to watch.

Justin Marks, LHP: Acquired from Oakland for David DeJesus this past winter, Marks was a third round pick from the University of Memphis in 2009. He has an unattractive 5.29 ERA so far in A-ball, but his components are more impressive with a 136/53 K/BB in 129 innings, 129 hits allowed. He has an upper-80s fastball, a curve, slider, and changeup, picks up grounders, and could sneak up on us as a fifth starter or long relief type. Grade C.

Leonel Santiago, RHP: Signed out of the Dominican in 2007, Santiago posted a 66/17 K/BB with a 2.78 ERA in 81 innings for Burlington in the Appalachian League last year, with 73 hits. He will transition to Low-A this year. His fastball is average but he has a good curve, throws strikes, and has a chance to break through into being an interesting prospect according to people close to the organization. Grade C, but should be watched.

Crawford Simmons, LHP: A 14th round pick from a Georgia high school in 2009, Simmons could have been a third or fourth round pick but he had a commitment to Georgia Tech that cost $450,000 to buy out. He posted a 2.77 ERA with a 70/19 K/BB in 78 innings for Burlington in the Appy League, working with an average fastball, excellent curve, and strong changeup. He throws strikes and knows how to pitch, and there's some chance his velocity can pick up. I have him as a "Grade C but interesting" and with a Sleeper Alert! Tag in the book this year.

Will Smith, LHP: The Royals picked up Smith from the Angels last year for Alberto Callaspo. He split the season between four teams which broke up his stat line, but he's got decent stuff, including an 88-92 MPH fastball (he threw harder after the trade) and a good curve. He's still working on his changeup and could use a year of stability, but he was great after the trade (2.80 ERA with 51/4 K/BB in 55 innings at Wilmington) and is another guy who could develop into a fourth starter. He's another C+.

Everett Teaford, LHP: A 12th round pick in 2006 from Georgia Southern, Teaford went 14-3, 3.36 with a 113/32 K/BB in 99 innings for Double-A Arkansas last year, with 91 hits allowed. He's a soft-tosser with a so-so fastball, but he changes speeds well, throws strikes, knows how to pitch, and has had success as both a starter and releiver. The Royals like him enough to give him a spot on the 40-man roster, and while he doesn't have the plus velocity of other lefties in the system, he shouldn't be underestimated as a surprise contributor. Grade C, but interesting.

Yordano Ventura, RHP: Ventura was signed out of the Dominican in 2008. He made his North American debut last year, posting a 58/17 K/BB in 53 innings for the Arizona Rookie League Royals, with a 3.25 ERA and 49 hits allowed. He showed off a mid-90s fastball and reportedly hit 100 at times. His secondary pitches are below average and he's pretty raw, but the arm strength is very impressive obviously. He isn't big at 5-11, 160 and could end up in relief eventually. Grade C+, with higher potential.

Robinson Yambati, RHP: Another Dominican, Yambati was signed in 2009 and is more classically projectable than teammate Ventura, with a 6-3, 185 build. He posted a 2.71 ERA with a 64/12 K/BB in 66 innings and 65 hits. He works at 90-93 MPH with his sinker, can hit 95, and should pick up more velocity. He has a decent curve but needs a better changeup. He is control is good. He's a Grade C+ but higher grades are possible as he moves up.

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Noel Arguelles

I know the injury clouds things, but the fact that he doesn’t even get a mention in this list is pretty telling about just how deep KC is. Dude’s a 21 year old lefty who showed 95 in international competition before he defected. Given the August shoulder surgery, he probably won’t be in game action until May or June, but is as good a bet as any to have people talking at the end of the year.

by realitypolice on Feb 15, 2026 10:54 AM EST reply actions  

Schaum said he was looking good as of a couple days ago

R.I.P. cwhitman412, Frederick0220, & Mets2k9
http://twitter.com/doublestix

by doublestix on Feb 15, 2026 12:20 PM EST up reply actions  

He is Cuban, and therefore not 21

You may know me as NYRoyal.

by Scott McKinney on Feb 15, 2026 1:49 PM EST up reply actions  

He might have some issues as well

Not quite Miguel Cabrera, but could head down that same path.

Scouting the Royals
Royals Prospects

by 306008 on Feb 17, 2026 12:37 PM EST up reply actions  

both

I don’t guess. :p

But he’ll learn and mature in a few years. Hopefully sooner than later.

Scouting the Royals
Royals Prospects

by 306008 on Feb 19, 2026 5:27 PM EST up reply actions  

Pretty much...

Of course, he would be the smallest pitcher at the MLB level since…I’m not sure who.

Now writing for BaseballInstinct.com

by Franchise887 on Feb 15, 2026 11:43 AM EST up reply actions  

Billy Wagner

is also a decent comp, in stuff & stature

by dbreer23 on Feb 15, 2026 12:26 PM EST up reply actions  

Not really.

Wagner throughout much of his career was the hardest thrower in the game, and often had more pitches >100 mph than the rest of baseball combined. They’re both small lefties, but Collins’ stuff doesn’t measure up.

by PissedMick on Feb 15, 2026 12:38 PM EST up reply actions  

Also, it’s hard to trust the listed heights for guys under six feet, but Wagner is listed at 5’10, and Collins is at 5’7. Three inches isn’t an insignificant difference.

sports.yahoo.com/mlb/blog/big_league_stew

by alexwithclass on Feb 15, 2026 2:05 PM EST up reply actions  

Listed at 5'7

Which means hes shorter, right?

Scouting the Royals
Royals Prospects

by 306008 on Feb 17, 2026 12:37 PM EST up reply actions  

On second thought...

I had this whole argument ready to post, besides the obvious similarities between Wagner & Collins (LH RP, wicked breaking pitch), had calculations about the effects of height/arm angle compensation for their difference in heights compared to taller pitchers, even noting that Wagner himself picked up a few ticks of MPH once he got to MLB (which mayhave led to his eventual TJ surgery)…only to read in several scouting reports that Collins’ fastball sits around 88-90!?!

I’m not sure whether to be that much more skeptical now, or that much more impressed at his prowess to date.

by dbreer23 on Feb 15, 2026 5:19 PM EST up reply actions  

A couple of links...

I don’t have BA access, but this link refers to their report:

http://espn.go.com/blog/sweetspot/tag/_/name/tim-collins

But then I start seeing reports like this, which lists the type of speeds that I thought he was actually throwing (hence, the Wagner comp):

http://royalsblog.kansascity.com/?q=node/650

by dbreer23 on Feb 15, 2026 7:33 PM EST up reply actions  

Another link...

From BA, at the time of the TOR-ATL trade - here, they have him topping out at 93:

http://www.baseballamerica.com/today/majors/trade-central/2010/2610369.html

by dbreer23 on Feb 15, 2026 7:36 PM EST up reply actions  

maybe everything ive read on royals sites is biased....

but im really hoping that sitting mid-low 90s is more accurate

Fire Everyone

by billybeingbilly on Feb 15, 2026 8:21 PM EST up reply actions  

I saw him in three appearances last season

He hit 93 once, but was generally at 90-91.

by realitypolice on Feb 16, 2026 9:23 AM EST up reply actions  

damn

Fire Everyone

by billybeingbilly on Feb 16, 2026 10:09 AM EST up reply actions  

Just for fun...

because I love talking about Wagner:


In 2003 Wagner threw 159 pitches over 100 mph. According to those who record such numbers in ballparks across the country, every other pitcher in baseball legitimately topped 100 mph a grand total of 40 times. Think about that. Bartolo Colon was next, with 12 pitches over 100. - Peter Gammons, quoting stats from the 2004 Bill James Handbook

This doesn’t have anything to do with Collins, who looks like he’ll be a pretty good relief pitcher. It’s just that Wagner was the Aroldis Chapman of ten years ago, before it was cool.

by PissedMick on Feb 15, 2026 9:01 PM EST up reply actions  

For whatever reasons, there are many more pitchers in baseball now who are reported as throwing 100+

Hell, Joel Zumaya is up in the 103+ range just as often as Chapman, not to mention guys like Bobby Parnell, Henry Rodriguez, Neftali Feliz hitting the century mark often, and starters like Strasburg and Ubaldo Jimenez hitting triple digits on occasion.

Yes, Chapman throws harder, but the bar’s been raised across baseball. Whether the difference is in the players or the equipment, it means that the dominance of Chapman’s velocity over his peers isn’t any different than what Wagner’s was in the early 90s.

by PissedMick on Feb 15, 2026 9:26 PM EST up reply actions  

+1

to everyone who’s contributed to this post so far - a nice honest debate with no one jumping on the “I love this guy” or “I hate your guy” line of BS.

by dbreer23 on Feb 15, 2026 11:54 PM EST up reply actions  

Will Smith

Will love to see how he does after a full year of NOT being bounced around and messed with. Totally different pitcher when he was traded, really looking forward to a full year of it.

by Ralpho316 on Feb 15, 2026 11:47 AM EST reply actions  

Agreed

I know KC is beyond stocked at LHP, but targeting WIll Smith last summer was a pretty astute move to me. His performance improved immensely upon joining KC’s CAR affiliate.

I think he has middle of the rotation potential in a typical organization but could be a plus lefty arm in the pen if need be as well.

by Matt0330 on Feb 15, 2026 12:24 PM EST up reply actions  

BA has been pretty adament that his stuff profiles as a back-end starter

He puts up some nice lines but not sure he will project well going forward.

by deezle on Feb 15, 2026 3:42 PM EST up reply actions  

They could be right

I think there could be something there as he already has plus command & a big frame. Besides Tim Melville (who isn’t listed here & I like better than Aaron Crow), I think Will Smith is my favorite of the so-called ‘second tier’ Royals arms above although Crawford Simmons is close.

I maintain that he probably has a ceiling of a mid-rotation starter (although not with the Royals’ upcoming ETAs in all likellihood) with the likely fallback of being a lefty bullpen arm.

by Matt0330 on Feb 15, 2026 4:37 PM EST up reply actions  

Teaford

he’s on the 40-man because his velocity went into the 90’s this year after some mechanical changes. and it showed in his k/9 compared to earlier in his career. i for one am very interested to see what he does in 2011.

R.I.P. cwhitman412, Frederick0220, & Mets2k9
http://twitter.com/doublestix

by doublestix on Feb 15, 2026 12:25 PM EST reply actions  

Thanks

I was going to add something similar, as I thought I remembered hearing that.

by killa on Feb 15, 2026 2:23 PM EST up reply actions  

Teaford is the biggest legit sleeper

No one really knows who he is, but he turned into a completely different pitcher in the 2nd half of last season. If his stuff upgrade sticks he is a big-time sleeper for the rotation.

by deezle on Feb 15, 2026 3:52 PM EST up reply actions  

I saw Teaford 3 times last year

And honestly, he impressed me more than Dwyer, Montgomery, Duffy, and Lamb. I thought he was their best pitcher late in the year.

The KC homepage just ran an article on him yesterday.

Teaford is in the sizable group of hot pitching prospects in the camp. At 26, he’s one of their elders and is among 12 left-handers, an unusually high number for the Royals, on the spring roster.
“I was just tired of walking people and I’m sure the coaches were, too,” he said.

So, about midseason when he had a 6-3 record, he decided to change his mechanics.

“I just started throwing the ball a little easier and being a little more free,” he said. “I don’t know if I was trying to muscle it and trying to be too strong, but I just kind of loosened up a little bit and things clicked, to say the least.”
After the All-Star break, he was 8-0 in 12 games, including seven starts, with a 1.98 ERA. His 14 wins led the Royals’ farm system
Teaford says he has a pretty standard pitching repertoire — fastball, curveball, changeup and a little cutter — but his fastball gained considerable velocity last year and was up to 94 or 95 mph at times.
Yost went to Puerto Rico last fall for the Pan Am competition and saw some flashes of Tom Glavine finesse in Teaford, including his ability to move the ball around and work the corners.

The highlights. The biggest reason no one talks about him is that he is already 26 so considered “old”. But let me tell you, he was spot on moving the fastball to both sides of the plate. Made hitters look bad.

Scouting the Royals
Royals Prospects

by 306008 on Feb 17, 2026 12:42 PM EST up reply actions  

Justin Marks' ERA

Is inflated by one disastrous start in rookie ball, I notice. He’d be half a run lower, and his peripherals look pretty sharp

by EZEebs on Feb 15, 2026 12:27 PM EST reply actions  

Timothy Melville

I actually don’t think this kid is a lost cause. A lot of observers seem to indicate that his 2010 wasn’t as awful as his stats show. There is a concern that Melville might actually be ‘too cerebral’, but he seems like a well grounded young man who responds well to instruction also (there is talk that he is working on smoothing out his delivery).

Considering age & propensity to project to a starting rotation, I actually might rank Melville ahead of Aaron Crow (although I might be one of the only ones).

by Matt0330 on Feb 15, 2026 12:36 PM EST reply actions  

Melville was getting some strong reviews out of instructs

still talk of that delivery getting quicker. JJ said he was “dominating” if i remember right.

R.I.P. cwhitman412, Frederick0220, & Mets2k9
http://twitter.com/doublestix

by doublestix on Feb 15, 2026 1:06 PM EST up reply actions  

nice

another fan of Melville over here…

by daveh33 on Feb 15, 2026 1:32 PM EST up reply actions  

I think he's just fine, bumps in the road are expected...

The only real concern (IMO) is the increased BB/9 rate (+0.50) combined with the decrease in K/9 rate (-1.5). His FIP was 4.36 (ERA = 4.97) and he did progress by throwing 20 more IP than the year prior. Now if the tends continue as they did in 2010, there might be more room for concern.

by dbreer23 on Feb 15, 2026 5:24 PM EST up reply actions  

Someone mentioned that he didn't handle failure well yet

Because he’d never struggled in anything before. So when he had to learn the lesson, it just took longer for him. He tried to avoid contact and got to timid, that’s why his walk rate increased. He’ll be aggressive again this season and LOOK out.

Scouting the Royals
Royals Prospects

by 306008 on Feb 17, 2026 12:46 PM EST up reply actions  

Crawford Simmons

Nice I picked him as my SP Breakout on my blog. Think he’ll handle A ball quite well

Checkout Royals minor league notes at www.14for77.blogspot.com

by kcscoliny on Feb 15, 2026 1:01 PM EST reply actions  

The K/BB and K/IP ratios across the board are mind-boggling.

Even given normal pitcher attrition rates, KC is scary deep in the pitching department.

by Kenneth Arthur on Feb 15, 2026 1:26 PM EST reply actions  

Ventura and Yambati

are really exciting and underrated, imo. Not sure who I like better at this point. Ventura is that huge risk/upside excitement, and Yambati has that perfect pitcher frame for such a young guy, that I think he could add velocity and end up being better than Ventura

by daveh33 on Feb 15, 2026 1:33 PM EST reply actions  

Yea the fact that Argulles,Melville, and Sample aren't listed

Just shows how much depth is there….pretty exciting.

by vic1124 on Feb 15, 2026 3:55 PM EST reply actions  

I think Arguelles and Melville would be right behind Yambati, Ventura, Coleman, and Collins in my mind.

by WURoyal on Feb 16, 2026 7:14 PM EST up reply actions  

Great Read, John.

Bullpen Banter's Top 100 Prospects for 2011!

Come check out Bullpen Banter!
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by JD Sussman on Feb 15, 2026 8:46 PM EST reply actions  

Jason Adam will be one of their top pitching prospects after this season.

I remember reading things like “he would have been a first rounder if he would have shown this stuff in the spring” and other things along that line. BA had a thing on him I think in instructs.

I talked a baseball guy in a different organization who talked about how polished he was and how strong his pitches were.

Scouting the Royals
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by 306008 on Feb 17, 2026 12:48 PM EST reply actions  

i actually agree with this

got him at #15 now and that might be too low. right behind Teaford, Melville, and Giavotella. could argue easily that he should be in front of those.

R.I.P. cwhitman412, Frederick0220, & Mets2k9
http://twitter.com/doublestix

by doublestix on Feb 17, 2026 1:31 PM EST up reply actions  

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