In the 28th round, the Astros select RHP Aaron Greenwood out of the University of Mississippi (and earlier, Bossier Community College). He pitched as a reliever, is 22 years of age, and is listed a 6-4, 200lbs.
He went 2-1 on the year, has a 1.96 ERA, and appeared in 18 games, throwing 36.2 IP. He allowed 25 hits, 10 runs / 8 earned runs, walked 9 and struck out 11. His Ole Miss stats indicate a gradual improvement from 2012 until 2014.
He is also on twitter. He missed a few April games with a rib cartilage issue.