Marlins prospect Garrett undergoes Tommy John surgery

MIAMI (AP) Left-hander Braxton Garrett, the Miami Marlins' top prospect, has undergone Tommy John surgery.

Garrett was the seventh overall selection in the 2016 amateur draft. The 19-year-old made his professional debut this year with Single-A Greensboro, starting four games before going on the disabled list. Dr. James Andrews performed the surgery Tuesday.

Right-hander Tyler Kolek, the Marlins' top pick in the 2014 draft, underwent Tommy John surgery in April 2016. He is expected to resume pitching soon.

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