MLB's 30 general managers ... who are they?
— -- Below are quick thumbnails of the 30 general managers as the industry heads into the winter meetings in Nashville. Reflecting considerable recent turnover as a new generation of leadership in the game gets promoted, the nature of the GM job has changed -- especially with "title inflation" as more veteran GMs adopt titles as team presidents, opening the GM title to their assistants.
For more insight into each front office, check out Jim Bowden's detailed breakdown 
for all 30 teams.
Postscript: Where playing experience is listed as "None," that describes no experience above high school or Little League.
AMERICAN LEAGUE
Baltimore Orioles: Dan Duquette
Boston Red Sox: Mike Hazen
Chicago White Sox: Rick Hahn
Cleveland Indians: Mike Chernoff
Detroit Tigers: Al Avila
Houston Astros: Jeff Luhnow
Kansas City Royals: Dayton Moore
Los Angeles Angels: Billy Eppler
Minnesota Twins: Terry Ryan
New York Yankees: Brian Cashman
Oakland Athletics: David Forst
Seattle Mariners: Jerry Dipoto
Tampa Bay Rays: Matthew Silverman
Texas Rangers: Jon Daniels
Toronto Blue Jays: Ross Atkins