MLB Roots

Just this offseason, the Cubs have snagged two franchise players from the Tampa Bay Rays.  It got me wondering; how many former Rays are on the current Cubs team?  How many of every other team?  So I did a little research.  Below are all the players on the current active roster and the teams they have been on before the Cubs, if applicable.  Below all the players are the totals.

Pitchers
Justin Berg: N/A
Alberto Cabrera: N/A
Esmailin Caridad: N/A
Andrew Cashner: N/A
Casey Coleman: N/A
Ryan Dempster: Florida, Cincinnati
Thomas Diamond: N/A
Rafael Dolis: N/A
Matt Garza: Minnesota, Tampa Bay
John Gaub: N/A
Tom Gorzelanny: Pittsburgh
John Grabow: Pittsburgh
Scott Maine: N/A
Carlos Marmol: N/A
Sean Marshall: N/A
Marcos Mateo: N/A
James Russell: N/A
Jeff Samardzija: N/A
Carlos Silva: Philadelphia, Minnesota, Seattle
Kyle Smit: N/A
Jeff Stevens: N/A
Randy Wells: N/A
Kerry Wood: Cleveland, New York (AL)
Carlos Zambrano: N/A

Catchers
Welington Castillo: N/A
Koyie Hill: Arizona
Max Ramirez: Texas
Geovany Soto: N/A

Infielders
Jeff Baker: Colorado
Darwin Barney: N/A
Starlin Castro: N/A
Blake DeWitt: Los Angeles (NL)
Carlos Pena: Texas, Detroit, Boston, Tampa Bay
Aramis Ramirez: Pittsburgh

Outfielders
Marlon Byrd: Philadelphia, Washington, Texas
Tyler Colvin: N/A
Kosuke Fukudome: N/A
Fernando Perez: Tampa Bay
Alfonso Soriano: New York (AL), Texas, Washington


Players Per Team
4 Players:
Texas

3 Players:
Tampa Bay
Pittsburgh

2 Players:
Washington
New York (AL)
Philadelphia
Minnesota

1 Player:
Boston
Detroit
Arizona
Colorado
Los Angeles (NL)
Cleveland
Seattle
Florida
Cincinnati

As you can see, the pitchers, especially the relievers, have very little experience with any team except the Cubs.  The bullpen has a lot of young talent in it these days; more veterans can be found in the outfield and infield.  Interestingly, the Cubs have been getting younger in the last couple years and have more players with no other team in MLB experience.  And although the Texas Rangers have seen more current Cubs in the past than any other team, they also make up key roster spots including three critical offensive players (Max Ramirez, Carlos Pena, Marlon Byrd, and Alfonso Soriano).  These are the roots of the 2011 Cubs.