RHP Nick Tropeano (Arizona Fall League)
Tropeano pitched out of the bullpen to minimize his innings after having pitched 158 innings during the regular season. After putting together a very successful season at Lexington and Lancaster, he continued to impress in the AFL. His 1.00 WHIP was tied for sixth and he held some of the best prospects in the minor leagues to a .189 batting average.
RHP Carlos Quevedo (Liga Paralela & Venezuelan Winter League)
Quevedo was credited with helping the championship Liga Paralela Magallanes team make it to the playoffs. His dominance in the Liga Paralela led to a call-up to play for the main Magallanes team where he made one successful appearance before the regular season ended. Quevedo's 1.38 ERA led the Liga Paralela for pitchers pitching a minimum of 30 innings and he continued to put together a very healthy strikeout to walk ratio.
Others of Note
I was happy to see RHP Chia-Jen Lo continue his comeback from surgery with a successful AFL season. Several 2012 Astros who are currently free agents had good seasons as well, particularly RHP Sergio Perez who led the Venezuelan Winter League in wins and was tied for second in WHIP and strikeouts. Free agents Erick Abreu, Adalberto Flores and Enerio del Rosario also had strong campaigns.
And finally, after having mixed results out of the bullpen for Carolina in the Puerto Rican Winter League, 21-year old RHP Raul Rivera finished off his season with an excellent seven-inning start for Carolina. After missing all of 2011, Rivera put up some strong numbers for the GCL in 2012. It may not sound like much, but the combination of those two factors intrigues me enough that I will be paying closer attention to Rivera in 2013.
Here are the full regular season stats for all Astros pitchers participating in winter league play. Cameron Lamb is the only player whose team hasn't finished the regular season.
Next Up: I'll be looking at the position players on Wednesday.