Marlins pitching prospect Tyler Kolek underwent Tommy John surgery on Wednesday.
Marlins pitching prospect Tyler Kolek is dealing with soreness in his right arm and will visit the team doctor Sunday.
Marlins prospect Tyler Kolek got his first win of the season Wednesday for Low-A Greensboro.
Marlins signed first round pick RHP Tyler Kolek.
Marlins selected high school RHP Tyler Kolek with the second overall pick in the draft.