Rafael Betancourt had to leave Tuesday's game with an apparent injury.
Dan Straily held the Rangers scoreless over seven innings as the A's beat the Rangers 1-0 on Tuesday.
Trevor Plouffe left Tuesday's game in the 10th inning after taking a knee to the head.
Yoenis Cespedes hit his ninth homer of the year to lead the A's to victory over the Rangers on Tuesday.
Matt Garza didn't get a win but was great in his season debut Tuesday, holding the Pirates scoreless on one hit and three walks over five innings.
Yu Darvish allowed just one run over six innings but took the loss as the A's beat the Rangers on Tuesday.
Travis Snider launched a pinch-hit grand slam in Tuesday's win over the Cubs.
Darwin Barney went 4-for-4 with an RBI and two runs scored in Tuesday's loss to the Pirates.