With regular Athletics first baseman Ike Davis on the 15-day DL, Mark Canha and Max Muncy are expected to split time at first base, manager Bob Melvin said per CSN Bay Area.
Canha is hitting .226/.293/.396 with five home runs in 106 at-bats this season. Muncy is also considered the top backup role at third base and is hitting .222 with one RBI in 18 at-bats.