A's LHP Brett Anderson leaves game after 2 innings with right knee injury

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Oakland Athletics left-hander Brett Anderson was removed from Friday night's start against the Texas Rangers after two innings with a slightly hyperextended right knee.

His right foot landed in a hole on the mound during his follow-through on a pitch to Julio Borbon in the second.

Anderson fell awkwardly, and a trainer and manager Bob Geren left the dugout to check on Anderson.

After throwing a couple of practice pitches, Anderson remained in the game, but was replaced by right-hander Boof Bonser at the start of the third.

Anderson allowed four runs and six hits.