Mets activate Dellin Betances, option Corey OswaltBetances landed on injured list Aug. 309/23/2020, 9:36 PMGarrett StepienFreelance Editorial ProducerAug 29, 2020; Bronx, New York, USA; New York Mets relief pitcher Dellin Betances (68) pitches during the bottom of the ninth inning against the New York Yankees at Yankee Stadium. Mandatory Credit: Vincent Carchietta-USA TODAY Sports / © Vincent Carchietta-USA TODAY Sports