Cardinals' Reyes to undergo Tommy John surgery

He has also covered colleges, including USC football and UCLA basketball. He first felt elbow soreness late last week and alerted the team's trainers.

John Mozeliak said the Cardinals will wait until Wednesday morning before making any announcement about the next step.

Reyes' injury means the Cardinals will play another consecutive season with a pitcher sidelined for the year. Dr. George Paletta will perform the procedure. Had very high expectations for him.

"We weren't necessarily throwing up a smoke screen with Trevor", Matheny said. "You never know when stuff like this happens, and maybe it is a different opportunity".

He was expected to compete with Wacha to be the team's fifth starter.

Because of the possibility of re-injury, many teams are giving pitchers at least 16 months to recover from Tommy John surgery, meaning Reyes might not return until the 2018 All-Star break.

Per MLB.com's Jenifer Langosch, Reyes underwent an MRI on his right arm today.

xFIP, which adjusts for a league-average HR/FB% and focuses on strikeouts and walks, rather than BABIP-related factors, puts Weaver at 3.34-hardly Clayton Kershaw, but clearly somebody who was exhibiting promise in his age-22 season.

This is a huge blow for the Cardinals - Reyes spent some time in the majors in 2016, and was ranked #4 on the Baseball America top 100 list that was just unveiled.

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