Yankees could lock up Didi Gregorius and Dellin Betances next

TAMPA — Having bought out four years of arbitration with Luis Severino and keeping Aaron Hicks away from the free-agent market following this season, the Yankees have had discussions with shortstop Didi Gregorius and reliever Dellin Betances about multi-year deals. There are others the Yankees could consider signing to long-term deals, but GM Brian Cashman…