The Athletics selected Clarke's contract from Double-A Midland on Tuesday, Kiley McDaniel of ESPN.com reports.

Clarke went 2-for-3 with a pair of home runs and three RBI on Sunday in Double-A Midland's 4-1 win over Frisco. He also reached base on a hit by pitch.

Clarke, who was placed on Double-A Midland's 7-day injured list in late July with a left shoulder strain, was transferred to the 60-day IL on Tuesday, Melissa Lockard of The Athletic reports.

Clarke (shoulder) is slashing .382/.488/.941 with four home runs, 13 runs, 11 RBI and one stolen base in 43 plate appearances over his nine games since being activated from Double-A Midland's 7-day injured list April 24.

Clarke is on the 7-day injured list at Double-A Midland with a left shoulder strain, Jonathan Mayo of MLB.com reports.