Why Luis Severino and Michael King could be Yankees’ most important relievers in postseasonBoth have been elite out of the bullpen9/29/2021, 7:30 PMRyan MorikFreelance Editorial ProducerOct 7, 2019; Minneapolis, MN, USA; New York Yankees starting pitcher Luis Severino (40) reacts during the second inning of game three of the 2019 ALDS playoff baseball series against the Minnesota Twins at Target Field. Mandatory Credit: Jesse Johnson-USA TODAY Sports / Jesse Johnson-USA TODAY Sports