Jeffrey Allan Nelson (born November 17, 1966) is an American former baseball relief pitcher and current broadcaster who played 15 years in Major League Baseball. Jeff Nelson is married to Sheri Quinn. He batted and threw right-handed. Nelson retired on January 12, 2007, the same day he signed a minor league contract with the New York Yankees.Drafted by the Los Angeles Dodgers in the 22nd round of the 1984 amateur draft; he signed June 21, 1984. In his Major League career Nelson pitched in 798 games with a 48-45 record, and with runners in scoring position and two out he held batters to a .191 batting average. In 55 post-season games (second all-time behind former teammate Mariano Rivera), he compiled a 2-3 mark with 62 strikeouts and a 2.65 ERA in 54.1 innings. Among hitters whom he dominated most were Troy Glaus, who in 14 at-bats was hitless with 11 strikeouts.Nelson had three stints with the Seattle Mariners (1992–1995, 2001–2003 and again in 2005). He is Seattle's all-time record holder for most games pitched (383), and has a 23-20 record with the Mariners. Nelson is currently a television color analyst for the Miami Marlins and New York Yankees.