text: Nelson signed a minor league contract with the Yankees in January 2007 so that he could officially retire as a Yankee.
  Pitching
  Nelson was a respected slider specialist, much more effective against right-handed batters than against lefties (who batted 55 points higher, and slugged 106 points higher, against him than did righties). He was also known for his three-quarters sidearm delivery, and threw a cut 90-mile per hour fastball as well. During his Yankees tenure, he was known for faking a throw to third base and then throwing to first base in an attempt to pick off the baserunner. Until the rule was changed in 2013, making a fake throw to third base a balk, this was referred to as "the old Jeff Nelson" by Yankees play-by-play broadcaster Michael Kay.
  Broadcasting
  Nelson has filled in on sports radio KJR-AM in Seattle and also worked as an analyst for MLB.com during the 2010 post-season.
  In 2016, Nelson joined Fox Sports' pre-game broadcast team for Miami Marlins. In 2019, Nelson served as a game analyst for the YES Network, calling occasional games for his former team. On July 12, 2019, Nelson began appearing on the YES Network's pregame show. He substituted for Suzyn Waldman on WFAN broadcasts of the final games of the Yankees regular season in October 2022, working with John Sterling.