Butler, claimed off waivers from Tampa Bay, hit his second homer off Seth Frankoff to cap an eight-run fifth inning.
[STIGLICH: Dull quietly impresses once again in A's bullpen]
Chris Canha doubled home a pair of runs in the first off Cleveland's Josh Tomlin, who allowed three runs on 10 hits and a walk in 3 1-3 innings.
Andrew Lambo had two hits for the Athletics. Josh Phegley hit his second home run off Austin Adams. Yonder Alonso, who is competing for the A's first base/DH job, singled to raise his spring average to .409.