Graduated Concordia College in 1989 & drafted in the 19th round by the Detroit Tigers. Played A–Ball for Niagara Falls & had 14 saves with a .098 ERA. In the early, ‘90s Doherty moved to the Lakeland Tigers, went 5–1, with 15 saves and a 1.11 ERA, played for the Double A London Tigers (Canada) and was 3-3 with 15 saves & a 2.22 ERA. John went 7-4 with the Tigers, leading the team with a 3.8 ERA. In ‘93 he was 14-11 and led the team in wins & ‘95 he lead the American League in innings pitched out of the bullpen with 113. 

Named Pitcher of the Year, having a powerful pitching arm, Doherty skipped Triple A baseball & was directly recruited into Major League Baseball and played for the Detroit Tigers, under legendary manager Sparky Andersen. In ‘96 he began his season with the Boston Red Sox, which was cut short by a career ending knee injury. 

Doherty is currently a Board Member of the MLB Players Alumni Association and worked for the Empire State games as a former Director of Senior Games, Physically Challenged Games; and Masters Division Games and is the Recreation Complex Manager of Roberto Clemente State Park. He also runs a highly successful pitching clinic in Westchester County, and is involved with B45 baseball bats as well as an athletic clothing apparel line.