Atlanta transferred Kerr (elbow) to the 60-day injured list Friday.

Manager Brian Snitker announced Monday that Kerr will require Tommy John surgery, Justin Toscano of The Atlanta Journal-Constitution reports.

Atlanta voided Kerr's option to Triple-A Gwinnett and placed him on the 15-day injured list with a left elbow UCL injury.

Atlanta optioned Kerr to Triple-A Gwinnett on Sunday, David O'Brien of The Athletic reports.

Kerr tossed 2.1 innings in relief in Wednesday's 9-0 loss to the Red Sox, giving up two earned runs on four hits and one walk while striking out two.

Kerry (1-2) took the loss against the Nationals on Thursday, allowing three runs on five hits and two walks over 3.2 innings. He struck out seven.

Atlanta recalled Kerr from Triple-A Gwinnett to start Friday's game at Pittsburgh.

Atlanta recalled Kerr from Triple-A Gwinnett on Tuesday, Grant McAuley of 929 The Game reports.

Atlanta optioned Kerr to Triple-A Gwinnett on Friday.

Atlanta acquired Kerr, Matt Carpenter (elbow) and cash considerations from the Padres on Friday in exchange for Drew Campbell.