See http://rangersblog.dallasnews.com/archives/2008/08/news-flash-rangers-send-out-press-releas.html

Venezuela
LHP Edwin Escobar (6-1,185)
OF Teodoro Martinez (5-11, 155)
SS Oduber Herrera (5-11, 165)
SS Santiago Chirino (5-10,160)
3B Carlos Torrez (5-10, 175)
2B Luis Villegas (5-11,175)
3B Carlos Oropesa (6-0, 180)
C Oswaldo Pirela (5-11, 170)
OF Esdras Abreu (6-3, 185)

Dominican Republic
LHP Wilmer Batista (6-2, 165)
OF Hector Martinez (6-1, 185)

Mexico
OF Francisco Lugo (6-0, 180)

Escobar got $350,000.  Abreu is a power hitting outfielder, Martinez is a speed guy.