Yankees' Luis Severino throws first bullpen session since Tommy John surgery: 'He was really efficient' | CBS Sports Headlines Yankees' Luis Severino throws first bullpen session since Tommy John surgery: 'He was really efficient' Severino is expected to rejoin the Yankees at midseason ESN FeedsThis post was originally published on … Continue reading Yankees' Luis Severino throws first bullpen session since Tommy John surgery: 'He was really efficient'