The Aces have had at least one All-Star starter since 2009 and it is the fourth time in the last five years the Aces have had multiple starters.
The 28th annual Triple-A All-Star Game will be played Wednesday, July 15, at Werner Park in Omaha, Nebraska at 5:00 p.m. PST. The PCL All-Stars, made up of 30 players from the 16 PCL teams, will compete against the International League All-Stars.
O'Brien, 24, is hitting .281 with 60 RBI, 43 runs scored, 20 doubles and 15 home runs in 74 games in 2015. He is among PCL league leaders in total bases (149 - 3rd), RBI (T-3rd), home runs (T-3rd), hits (80 - T-7th), slugging percentage (.523 - 9th) and doubles (T-10th).
The Arizona Diamondbacks (@Dbacks) honored O'Brien with its Organizational Player of the Month Award in April when he hit .383 with 20 RBI, 17 runs scored, 7 home runs and 7 doubles. It's the third mid-season honor for O'Brien who was named a South Atlantic League mid-season All-Star in 2013 and an Eastern League mid-season All-Star in 2014.