Originally posted on HardballTalk:

The following news doesn’t come as a surprise, but it’s now official. According to Mark Bowman of MLB.com, Braves right-hander Kris Medlen will undergo season-ending Tommy John surgery tomorrow.

This will be the second Tommy John surgery of Medlen’s young career. He previously had the procedure in August of 2010 and made it back to the majors in September of 2011. The Braves were widely praised for how they handled Medlen’s workload in 2012, first using him out of the bullpen before transitioning him to the rotation. After posting a 3.11 ERA over a career-high 197 innings last season, he was being counted on to serve as Atlanta’s ace this year, but now he has another long rehab ahead of him. Getting him back at some point during the first half next year is probably the best-case scenario.

In other injured Braves starting pitcher news, Brandon Beachy is scheduled…

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