Marsee underwent an internal brace procedure on Monday to repair his left elbow UCL, FishOnFirst.com reports.
After playing with some discomfort down the stretch of the regular season, Marsee had his elbow examined before opting for surgery. He is expected to be game-ready in six months, putting his status for Opening Day in question. Marsee put together a .231/.348/.359 batting line with 11 home runs and 23 stolen bases this season for the Marlins.