During his big league career, Hallion officiated more than 3600 regular season games, to go along with 78 postseason games—and two separate journeys through Minor League Baseball.
Like retired umpire Bob Davidson, Tom Hallion had to start over in the low minors after losing his National League umpiring job in 1999 as the result of a failed mass resignation negotiation strategy as umpires looked toward a new deal with professional baseball.
In 2003, Hallion began calling games in the Class A New York-Penn League, the same minor league Hallion began his professional umpiring journey with back in 1979.
Hallion, who was hired back to MLB in 2005 thanks to a bargaining agreement with the league the prior offseason, officiated a total of 10 Division Series (1996, 97, 2008, 12, 13, 14 16, 18, 19, 21), five League Championship Series (1998, 2007, 09, 10, 11), and two World Series (2008, 21).
Hallion initially said he planned to retire following the 2021 World Series, but came back to work one more season before calling it a career. He announced his 2022 retirement on a podcast. Hallion retires with 102 career NL and MLB ejections.
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Video as follows: