The A's lost left-hander Eric Surkamp on a waiver claim to the Texas Rangers on Wednesday.
Surkamp was designated for assignment Monday to clear a 40-man roster spot for right-hander Nick Tepesch, who Oakland claimed from the Dodgers.
Surkamp opened the season in the A's rotation after Felix Doubront was lost to a season-ending elbow injury. But he struggled during four different stints in the big league rotation, going 0-5 with a 6.98 ERA in nine starts.
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