The Astros designated Class AAA reliever Dayan Diaz on Thursday to clear a space on their 40-man roster for newly acquired outfielder Cameron Maybin.

Player D.O.B Sport Batted Threw Position
Dayan Diaz   BaseBall R R P
Russell Martin Feb 14,1983 BaseBall R R C
Cameron Maybin Apr 03,1987 BaseBall R R OF