New York Mets' Dellin Betances starts new chapter in same city - ESPN
Dellin Betances' best moments with the Yankees - Pinstripe Alley
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Flawed baseball system kept Dellin Betances from getting paid
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Dellin Betances - Wikipedia
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The Value of Closing And Dellin Betances' Arbitration Case - MLB Trade Rumors
Mets must re-sign their 2019 Christmas gift, Dellin Betances
This Week in Mets: Dellin Betances knows what went wrong. Has he done enough to fix it? - The Athletic
Ex-New York Yankees reliever Dellin Betances signs one-year deal with Mets