This might be well known but I haven't seen it mentioned anywhere else. Next year with Lowell, Ramirez, Schilling and Beckett the Sox will be starting 4 world series MVPs - has any other team ever been close to that? I checked the 1990 Yankees but those MVPs tended to be leaving. Just a little bit of trivia.I checked here and it looks like the 2008 Red Sox will be the first team in baseball history to have four World Series MVPs on its roster (Lowell 2007, Ramirez 2004, Beckett 2003, Schilling 2001).
Maybe Boston has only 3.5 MVPs, since Schilling was a co-MVP in 2001. Even so, no other team has had 3.5. (However, since two of them are starting pitchers, it's highly unlikely they would field all four in the same game.)
At least four teams have had three former WS MVPs:
2001 Yankees: Derek Jeter 2000, Mariano Rivera 1999, Scott Brosius 1998
1975 A's: Rollie Fingers 1974, Reggie Jackson 1973, Gene Tenace 1972
1963 Yankees: Ralph Terry 1962, Whitey Ford 1961, Bobby Richardson 1960
1962 Yankees: Ford 1961, Richardson 1960, Bob Turley 1958
John Wetteland was the Yankees' 1996 MVP, but left that winter and was out of baseball by 2001. Terry won in 1962, but then Turley was not with the Yankees in 1963. Since the World Series MVP award goes back only to 1955, I don't think I missed any other possibilities.
Edit: The 1977 Reds had two MVPs (Joe Morgan 1975 and Johnny Bench 1976), but they also had a 24-year-old part-time infielder named Ray Knight, who would later win the MVP in 1986. But since we are talking past winners, they don't count. Eff you, Big Red Machine!