Dellin Betances, a native New Yorker, makes switch from Yankees to Mets - The Boston Globe
Red Sox shutout in finale against Twins
Rangers approach AL West title behind ex-Yankees, Mets pitchers
Red Sox Officially Make First Move Of Offseason, Sign Former Mets Reliever - Sports Illustrated Inside The Red Sox
Ex-Yankees, Mets reliever flashing 'elite stuff' with Red Sox
Urias, first Red Sox player to hit grand slams on consecutive pitches, leads Boston over Yankees - The San Diego Union-Tribune
How Yankees, Mets can fix problems exposed in Subway Series
Mets news: New York signs former Yankees, Red Sox relief pitcher
Ex-Yankee Adam Ottavino starting to thrive with Red Sox
Red Sox Hold Off Yanks In Game 4, Face Astros In ALCS
Red Sox sign ex-Yankees, Mets reliever
With a Former Yankee on the Mound, the Red Sox Tame Their Rivals Again - The New York Times
Mets sign former Yankees slugger Gary Sanchez to minor league contract
Mets sign ex-Yankee outfielder to minor league deal
Mets cut bait with ex-Yankees slugger after MLB trade deadline