Any of these worth keeping?

Man, those aren't exactly household names even to an avowed prospect junkie.  I'd have to see what players are available to you for replacement, but there's gotta be better stuff out there.

if I let any/all of these guys go it leaves me more roster space for down the road.  Nothing much in the short term with what I can pick up, but since it is a team I just took over I can make more 2 for 1 or 3 for 1 deals with the spots available

Jr.

I know I'm being redundant here, but there have to be better prospects out there.  I've heard of Dittler, but that's it.  No wait, maybe I'm thinking of Dirk Diggler.  

Came to the Marlins in the Luis Castillo trade with Travis Bowyer.  He's a live arm with pretty nice stats, nothing more.  He's always been a little old for his league.

These names got my curiosity up since I had vaguely heard of a couple of them:

Kevin Jepson, 22 yo, RHP, 6'3", 200 lbs.  4-4, 3.58, 50.1 IP, 34 BB, 46 K, 16 Saves for Rancho Cucamonga in High A Cal League.  

Jake Dittler, 24 yo, RHP, 6'4", 200 lbs.  5-10, 4.70, 130 IP, 50 BB, 54 K. 2.41 GO/AO. AAA Buffalo.

Steven White, 25 yo, RHP, 6'5", 205 lbs. 4-1, 2.11, 68.1 IP, 28 BB, 45 K. AA Trenton an extreme pitchers league.  4-9, 4.71, 107 IP, 42 BB, 88 K.  AAA Columbus.  Status- reassigned to minor leagues.

Cesar Ramos, 22 yo, LHP, 6'2", 190 lbs.  7-8, 3.70, 141 IP, 44 BB, 70 K.  ERA OK for Cal League, but K/IP is horrible.

Scott Tyler, 24 yo, RHP, 6'5", 210 lbs.  1-2, 3.67, 61.1 IP, 44 BB, 52 K.

Common denominators-  All these guys are big.  Maybe the guy who ran the team before you just liked big pitchers?

K rates are very poor in comparison to ERA.  Maybe your predecessor was just so anti-sabermetrics that he chose to ignore K rates altogether?

Maybe these guys were once rated as better prospects but then stalled in their development and the guy just lost interest opening the door for you to take over?

Bottom line:  There has to be better options out there now and in the future.  I'd dump 'em all.

Cesar Ramos has a chance to succeed, but it really depends on how deep your roster is. He was ranked #11 in the 2006 BA handbook and there is a very nice summary of him in there. There is also a very nice write up in JohnSickels book last year. If you can have 40 or more players on your roster than he might be worth keeping. He was a front of the rotation starter for Long Beach, but he's basically a soft tossing lefty with great control. He's done well so far...but how many soft tossing lefties do you know that "really" make it.

Also, glancing at his numbers in the Cal league last year I wouldn't keep him.

Scott Tyler had a very interesting 2004 season, even if he was 22 in the Midwest league.  

Jepsen is still young, and every so often one of these super-wild guys finds some control.