McDowell graduate Chad Oberacker is rising quickly in the Oakland A’s organization. The left-handed outfielder will start this season in Midland, Texas with the Midland RockHounds, which is the AA affiliate of the A’s. Oberacker was selected by the A’s in the 25th round of the 2011 draft and hit .267 with 30 doubles, eight triples and 15 home runs in 123 minor-league games. He has scored 78 runs, driven in 55 and stole 30 bases in his professional career. Midland competes in the Texas League and will open the season at the Northwest Arkansas Naturals on Thursday at 7 p.m. eastern time.