Right-hander AJ Smith-Shawver started the first game of Atlanta’s doubleheader against the Phillies today but departed in the third inning. There was some initial speculation it was a lower leg injury since he had been hit by a comebacker in the game, but it’s now clear that it’s a more ominous elbow injury. Per Mark Bowman of MLB.com, the righty felt a pop in his elbow and is now going back to Atlanta for testing. Those tests will reveal more information but manager Brian Snitker says that “it doesn’t look good.”

More to come.