Castro could possibly take the mound as a starter for the Orioles before the end of the 2017 season, according to manager Buck Showalter, Rich Dubroff of PressBoxOnline.com reports.
Castro has only appeared out of the bullpen for the big-league club this season, posting a 2.83 ERA and 1.10 WHIP over 57.1 innings. It appears likely that if the Orioles wind up out of the wild-card hunt within the near future, Showalter will give Castro a start to show off his stuff.