Arizona Diamondbacks Prospects List

by John Sickels on Dec 31, 2025 1:59 PM EST Comment 21 comments

Diamondbacks preliminary prospects list after the jump.

This is a thin system but not completely empty.

Brandon Allen 1B

Scott Allen RHP

Chase Anderson RHP

Bryan Augenstein RHP

Mike Belfiore LHP

Bobby Borchering 3B

Charles Brewer RHP

Keon Broxton OF

Pedo Ciriaco SS

Josh Collmenter RHP

Collin Cowgill OF

Matt Davidson 3B

Kevin Eichhorn RHP

Barry Enright RHP

Cole Gillespie OF

Paul Goldschmidt 1B

Matt Helm 1B

Marc Krauss OF

Zach Kroenke LHP Rule 5

Patrick McAnaney LHP

Roque Mercedes RHP

Wade Miley LHP

Kevin Mulvey RHP

Reynaldo Navarro SS

David Nick 2B

Jordan Norberto LHP

Chris Owings SS

Jarrod Parker RHP

Rossmel Perez C

A.J. Pollock OF

Wes Roemer RHP

Rusty Ryal 2B

Patrick Schuster LHP

Leyson Septimo LHP

Antonio Sepulveda SS

Eric Smith RHP

Cesar Valdez RHP

Ryan Wheeler 1B

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Comments

Stange?

Still coming back from TJ, and pitched better than the numbers seem.

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by cwhitman412 on Dec 31, 2025 2:10 PM EST reply actions 0 recs

The numbers certainly aren't that good

But we did put him on the 40-man roster, so that says something I suppose. Was a bit of a confusing designation to me, since I really doubt anybody was going to keep him on their MLB roster all year.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 7:19 PM EST up reply actions 0 recs

But The Stuff

He has a 99 mph FB and a plus slider before the surgery. I made a post on him back when his ERA was under 4, and his FIP was under 3. He must have worn down, which isnt surprising due to the TJ.

by cwhitman412 on Jan 2, 2026 12:23 AM EST up reply actions 0 recs

The TJ

Does actually show some hope. It can take a year to get your arm feeling right. I could see a breakout ‘10 and possible shot up the rankings, and even into the majors (although we have a suddenly insane amount of bullpen depth, so I’d imagine we’d need at least two injuries, and both to righties, in the ’pen, because Esmerling Vasquez will be the first up).

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 2, 2026 12:28 AM EST up reply actions 0 recs

Kyler Newby

I’ve always been impressed by the numbers. The D-Backs have moved him pretty slowly, but he has dominated at every level until his bump to AA last year. He struggled to strike people out like he had before, so maybe his stuff just isn’t too great, but he still seems pretty likely to be a useful major league reliever to me.

by auclairkeithbc on Dec 31, 2025 2:11 PM EST reply actions 0 recs

Disappointed

He didnt get an extended mlb trial. IIRC he was called up, then demoted without pitching.

by cwhitman412 on Dec 31, 2025 10:11 PM EST via mobile up reply actions 0 recs

It was to provide a fresh bullpen arm in case he was needed

After the Florida double-header because Augenstein had had such a short outing and our arms were all really tired, but he wasn’t needed. We did use Zavada though, then re-demoted and re-called him back, finally to stay.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 6:12 PM EST up reply actions 0 recs

You pretty much nailed it

We even 40-manned him in ‘09, but outrighted him off of it for 2010, although we did put him at Reno, so a rebound year means he’s a bullpen piece in 2011 and Heilman and Boyer are probably given the boot for Newby and Vasquez, who appears bound for AAA for 2010 as an injury fill-in waiting to happen.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 7:15 PM EST up reply actions 0 recs

Ryan Wheeler; steal of the Draft?

Holy cow this guy looks like he could be the steal of the draft. His teamate Angelo Songo was supose to be the prize of Loyola Marymount. Wheeler was supose to have trouble handeling the wood, well based on his numbers at short season, and his 8 game stint in low A, I’d say he’s absolutely someone worth watching. It will be curious too see if he goes to high A or jumps right to AA out of spring trainging.

by cyder7830 on Dec 31, 2025 8:06 PM EST reply actions 0 recs

Some names to consider

John Hester - made MLB debut but ALSO hit .328 at AAA & is still young (in catcher terms).

Orlando Mercado - nice 08 season

Taylor Harbin - some power for a middle infielder

by frenchredsox on Dec 31, 2025 9:11 PM EST reply actions 0 recs

Hester

100% yes. He’s gonna be the next montero

by cwhitman412 on Dec 31, 2025 10:08 PM EST via mobile up reply actions 0 recs

I'd stop short of saying that much

But anytime you have a MLB-ready(ish) backup catcher making league minimum with lots of control, that’s a huge asset. Catchers of Hester’s level or worse make millions in free agency.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 6:18 PM EST up reply actions 0 recs

He's A Sleeper

He’s had great power in the minors. Most of his power has been doubles, as seen by his very large amount of doubles by his at bats.

by cwhitman412 on Jan 2, 2026 12:25 AM EST up reply actions 0 recs

Orlando Mercado

signed a minor league deal with the Braves. He was a free agent.

Harbin’s stint at AAA was too short to tell anything. He needs a full season at AA in order to see if he is a prospect.

by dbacks watcher on Jan 1, 2026 1:31 PM EST up reply actions 0 recs

Mercado was let go

Not precisely sure why, perhaps we think Konrad Schmidt is for real? I’d think that’s an interesting choice, but I’m not exactly worried about our catcher position.

Harbin’s only real problem in Hi-A was striking out. The AAA stint showed what he could do if he reduced those, but you definitely can’t see he’ll keep up that low of a K-Rate. The ISO is for real, and 14 HRs from a 2B in a minor-league season is very nice. Seems Uggla-ish, in a way.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 6:22 PM EST up reply actions 0 recs

list

Brandon Allen 1B
Bryan Augenstein RHP
Mike Belfiore LHP
Bobby Borchering 3B
Charles Brewer RHP
Keon Broxton OF
Pedro Ciriaco SS
Josh Collmenter RHP
Collin Cowgill OF
Matt Davidson 3B
Kevin Eichhorn RHP
Barry Enright RHP
Cole Gillespie OF
Paul Goldschmidt 1B
Taylor Harbin INF C
Trevor Harden RHP C
Matt Helm 1B
John Hester C
Marc Krauss OF B-
Zach Kroenke LHP C
Patrick McAnaney LHP
Roque Mercedes RHP
Wade Miley LHP
Kevin Mulvey RHP
Reynaldo Navarro SS C
Kyler Newby RHP C
David Nick 2B C+
Jordan Norberto LHP C
Chris Owings SS
Jarrod Parker RHP
Rossmel Perez C
A.J. Pollock OF
Wes Roemer RHP
Rusty Ryal 2B
Patrick Schuster LHP
Leyson Septimo LHP
Eric Smith RHP
Cesar Valdez RHP C
Ryan Wheeler 1B B-

by John Sickels on Jan 1, 2026 12:37 PM EST reply actions 0 recs

Oh, what a year can do

For poor Cesar Valdez…

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 6:15 PM EST up reply actions 0 recs

Just a couple of guys I'm interested in:

- LHP Dan Taylor from Yakima, picked I think in the 29th round in ‘09, had a great year (huge K-Rate, FIP around 3, ERA around 3.5), and faced tougher competition than the Belfiore’s and Schuster’s of the world. (perhaps this is a scouting report/pitch repertoire thing, which I have pretty much no access to)

- LHP Tom Layne from Mobile had a great year. I think he vaulted up the list for the organization. Sinkerballer-type that the D-Backs love so much, can start, and had a great AFL stint aside from one miserable game.

- 1B/C Sean Coughlin - Injury-shortened season, but he’s the reason we felt comfortable unloading Josh Whitesell once nobody in Japan would take him. That, and the signing of Bailey, but that was after the fact. Coughlin can swing the stick.

- OF Ollie Linton - OPS near .800 at Visalia (including OBP near .400), stolen base threat, great defender in center field. Seems like our best lead-off hitter prospect to me.

If you have the time, I’d really appreciate you letting me know what you think about these guys. Thanks.

"I've had Bailey's out of a shoe, though."

by IHateSouthBend on Jan 1, 2026 6:53 PM EST up reply actions 0 recs

So happy to see you cover the dbacks prospects, John

Me and IHSB of Azsnakepit did a ton of work doing a 5 part series that looked at the last draft, which was excellent, and both did a top 40 prospect list.

Players I’m high on: Belfiore, Wheeler, Broxton, Nick, Krauss.

I like money - Frito Pendejo

by Zephon on Jan 1, 2026 5:26 PM EST reply actions 0 recs