Dominguez is 7-for-34 (.206) with four doubles and nine RBI through nine games for Triple-A Fresno. Dominguez is a strong defender at third base who has shown decent power at the big league level, but the Astros have plenty of depth at the corner infield spots. While an injury would seemingly open the door for a promotion, it's no guarantee that the 25-year-old will see time in Houston this season.