Ellard (lat) was assigned to Triple-A Charlotte on Tuesday to begin a rehab assignment.

Triple-A Charlotte placed Varland on its 7-day injured list March 31 due to an unspecified injury.

Cannon (back) is expected to go on a rehab assignment soon, Kyle Williams of the Chicago Sun-Times reports.

The White Sox placed Shuster on the 15-day injured list Sunday due to a blister on his left hand.

Scholtens (elbow) struck out two and allowed three earned runs on five hits and no walks over five innings in a rehab start Wednesday with Triple-A Charlotte.

Smith was pulled early from his last outing with Double-A Birmingham and will have his next start skipped due to fluctuating velocity and signs of fatigue, Scott Merkin of MLB.com reports.

White Sox manager Will Venable said last Tuesday that he anticipates Perez (elbow) returning from the 60-day injured list at some point in September, ESPN.com reports. "He's continuing to get evaluated," Venable said of Perez, who was diagnosed last week with a flexor tendon strain in his left elbow. "We're going to treat him and expect him to pitch later on in the summer."

The White Sox announced that Adams underwent successful Tommy John surgery Wednesday, Scott Merkin of MLB.com reports.

The White Sox placed Thorpe (elbow) on the 60-day injured list Thursday.

Berroa (elbow) needs Tommy John surgery, James Fegan of SoxMachine.com reports.

Bush will undergo Tommy John surgery on his left elbow Wednesday, Scott Merkin of MLB.com reports.

Navarro will undergo Tommy John surgery in March, Scott Merkin of MLB.com reports.