Butler was optioned to Triple-A Las Vegas on Tuesday.
Butler went 0-for-2 with two walks, a stolen base and a run in a win over the Mariners on Saturday.
Butler went 2-for-4 with an RBI single in a loss to the Mariners on Friday.
Butler is out of the lineup for the first game of Wednesday's doubleheader with the Rangers.
Butler is out of the lineup for Monday's game against the Rangers.
Butler isn't in the Athletics' lineup for Saturday's game versus Miami.
Butler isn't in Oakland's lineup for Friday's game against Miami.
Butler entered Monday's win over the Pirates as a pinch runner in the bottom of the seventh inning as a pinch runner and remained in the game in right field, recording a stolen base but not logging a plate appearance.
Butler isn't in Oakland's lineup for Thursday's game against the Yankees.
Butler went 1-for-4 with a solo home run in Tuesday's 4-3 loss to the Yankees.