How many former catchers are major league managers?

Answer 1

At the end of the 2009 season, I count 13:

1) A. J. Hinch, Arizona Diamondbacks - was a catcher for the Athletics, Royals, Tigers, and Phillies between 1998-2004.
2) Eric Wedge, Cleveland Indians - Red Sox and Rockies between 1991-1994.
3) Jim Leyland, Detroit Tigers - catcher in the Tigers' minor league system between 1964-1969.
4) Fredi Gonzalez, Florida Marlins - catcher in the Yankees minor league system between 1982-1987.
5) Mike Scioscia, Los Angeles Angels of Anaheim - catcher for the Dodgers between 1980-1992.
6) Joe Torre, Los Angeles Dodgers - catcher for the Braves and Cardinals between 1961-1970. Became a 3B/1B in 1971 and played until 1977.
7) Ken Macha, Milwaukee Brewers - began minor league career as a catcher but became primarily a 1B/3B/OF.
8) Joe Girardi, New York Yankees - caught for the Cubs, Rockies, Yankees, and Cardinals between 1989-2003.
9) Bob Geren, Oakland Athletics - caught for the Yankees and Padres between 1988-1991 and 1993.
10) John Russell, Pittsburgh Pirates - played catcher along with 1B/OF for the Phillies, Braves, and Rangers between 1984-1993.
11) Bruce Bochy, San Francisco Giants - caught for the Astros, Mets, and Padres between 1978-1980 and 1982-1987.
12) Don Wakamatsu, Seattle Mariners - caught for the White Sox in 1991.
13) Joe Maddon, Tampa Bay Rays - catcher in the Angels minor league system between 1976-1979.

Answer 2

At least two, sometimes three. Many times the third catcher can also play another position like first base or the outfield.

Answer 3

Usually there are 2-3 catchers in a Baseball team.