RHP Agapito Barrios (18)
Signed as a non-drafted free agent out of Panama, Barrios pitched for the DSL Astros in 2011. In 13 games started, he pitched 58.2 innings with a 3-4 record, a 4.60 ERA and a 1.398 WHIP. His ERA dropped to 3.63 after the All-Star break. And he's just turning 18.
RHP Jonnathan Aristil (25)
Originally from the Dominican Republic, Aristil came to Houston from Colorado as a part of the Matt Lindstrom trade. In 2011, for Corpus Christi (plus 1.0 IP at OKC), Aristil had a 6.08 ERA with a 1.624 WHIP. He is currently pitching in the Dominican winter league.