On the offensive end, O'Brien knocked in all of the Aces' runs with a sixth-inning grand slam.
The outfielder has been in Reno all season and has put up impressive numbers for the Aces. Tuesday's slam marked his 15th homer of the season, which put him in a tie for first with two players in the Pacific Coast League. He also has 57 RBIs, good for third in the PCL.
While he's experiencing somewhat of a mini-slump -- his average has fallen from .352 to .297 since May 27 -- O'Brien has two homers and five RBIs in his past four contests.