Tom Tango

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Tom Tango and "TangoTiger" are aliases used online by a baseball sabermetrics and ice hockey statistics analyst. He runs the Tango on Baseball sabermetrics website and is also a contributor to ESPN's baseball blog TMI (The Max Info).[1]

In 2006, Tango's book The Book: Playing the Percentages in Baseball, which was co-written with Mitchel Lichtman and Andrew Dolphin, was published featuring a foreword by Pete Palmer. In The Book he and his coauthors analyzed many advanced baseball questions, like how to optimize a lineup or when to issue an intentional base on balls. They also introduced the wOBA metric to measure overall offensive contributions.[2]

Tango maintains the "Marcel the Monkey Forecasting System," a player projection system which uses three years of weighted player statistics with statistical regression and player age adjustment.[3]

He is best known for developing the FIP (Fielding Independent Pitching) statistic, which attempts to more accurately assess the quality of a pitcher's performance than other statistics, such as ERA. 2009 American League Cy Young Award winner Zack Greinke specifically mentioned FIP as his favorite statistic. "That's pretty much how I pitch, to try to keep my FIP as low as possible".[4]

Tango works as a consultant for several National Hockey League teams, and has worked for Major League Baseball. Tango has worked for the Seattle Mariners and Toronto Blue Jays as a statistical analysis consultant.[better source needed][5][6] As of 2013, he works exclusively for the Chicago Cubs in a similar role.[7]

Born and raised in Canada, he resides in New Jersey with his family and has insisted on keeping his true name secret.


  • Tom Tango, Mitchel Lichtman, and Andrew Dolphin. The Book: Playing the Percentages in Baseball. Washington, D.C.: Potomac Books, 2007. ISBN 1-59797-129-4.


  1. ^ TMI.
  2. ^ "Weighted On Base Average or wOBA". Retrieved 2012-01-09. 
  3. ^ Appelman, David (19 February 2007). "Behind the numbers: Which 2007 stats projection system is right for you?". Sports Illustrated Retrieved 2007-11-17. 
  4. ^ Tyler Kepner, "Use of Statistics Helps Greinke to A.L. Cy Young", The New York Times, 18 November 2009.
  5. ^ Derek Zumsteg (4 January 2009). "This guy works for the Mariners". U.S.S. Mariner. Retrieved 2009-09-04. 
  6. ^ Gerry McDonald (16 February 2010). "An Interview with Alex Anthopoulos". Batter's Box. Retrieved 2010-03-01. 
  7. ^

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