WATCH: Luis Severino throws successful sim game off Yankee Stadium moundSeverino should be heading to Tampa to continue his rehab soon8/18/2019, 3:38 PMFeb 17, 2019; Tampa, FL, USA; New York Yankees starting pitcher Luis Severino (40) throws during spring training at George M. Steinbrenner Field. Mandatory Credit: Butch Dill-USA TODAY Sports / Butch Dill