The Rangers are at full strength in the bullpen after recalling right-handed reliever Spencer Patton from Triple-A Round Rock.
Texas made the move before Thursday's series finale against Oakland.
Outfielder Michael Choice was optioned back to Round Rock, one day after he was recalled by the Rangers.
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Texas had only six relievers instead of its usual seven for Wednesday's game.
Patton is in his third stint with the Rangers. He has a 0.78 ERA in 22 appearances at Round Rock.
Choice appeared as a defensive replacement Wednesday, going 0 for 1 with a strikeout and also had a two-base error when he misplayed a ball in right field.