Bad news arouse for the St. Louis Cardinals and pitching prospect Alex Reyes today.

Reyes, 22, will more than likely need season-ending Tommy John surgery after partially tearing the UCL in his right arm in preparation to pitch for the Dominican Republic in the World Baseball Classic. He has already underwent a MRI on the throwing arm, but the Cardinals will delay official announcement of whatever Reyes’ injury is tomorrow.

“I’m concerned about Reyes,” Cardinals general manager John Mozeliak said, perESPN. Any time you send someone to get an MRI, it’s concerning. I’m not going to speculate what the MRI is going to say. We’ll save that for tomorrow.”

Last August, Reyes made his MLB debut for the Cardinals, and shinned brightly by going 4-1 with a 1.57 earned run average and 52 strikeouts over 46.0 innings of work. He pitched in a total of 12 games and started 5 of those games, while also earning his first career Major League save versus the Philadelphia Phillies on August 19th.

Carlos Martinez and Adam Wainwright will once again anchor the Cardinals’ starting rotation in 2017, followed by Mike Leake and Lance Lynn, who is returning from Tommy John surgery this season after missing the entire 2016 season.

Reyes and Michael Wacha were competing for the 5th and final spot in St. Louis’ starting rotation, but it now looks like Luke Weaver will also receive more consideration before due to Reyes’ elbow injury.

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