For the full list of players used in all previous seasons, and the list of champions, please visit our new League Tracking thread:
Link to tracking thread: http://whatifsports.com/forums/Posts.aspx?TopicID=431628&TopicsTimeframe=30
Here are the last few seasons:
Season 23 player list:
Jerry Grote, Gary Carter, Hank Greenberg, Placido Polanco, Nomar Garciaparra, Wade Boggs, Dick Stuart, Jose Oquendo, Nate Colbert, Sam Crawford, Andy Pafko, Ken Griffey Jr, Vada Pinson, Nolan Ryan, Bob Feller, Sam McDowell, Al Hrabosky, Dick Radatz, Dan Wheeler, Jon Lester, John Candelaria, Elmer Steele, CC Sabathia, Maury Wills
Season 24 player list:
Geovanny Soto, Rick Dempsey, Don Hurst, Carlos Baerga, Robin Yount, Ron Santo, Jose Bautista, Toby Harrah, Martin Prado, Roger Maris, Brett Butler, Roy White, Ralph Kiner, Don Sutton, Jack Morris, Hal Newhouser, Rafael Betancourt, Rich Garces, Aurelio Lopez, John Smoltz, Boom Boom Beck, Andy Messersmith, Joe Niekro, Duke Snider
Season 25 player list:
Joe Mauer, Gene Tenace, Boog Powell, Ski Melillo, Troy Tulowitzki, Ken Boyer, Harmon Killibrew, Bret Barberie, Cecil Cooper, Rocky Colavito, Goose Goslin, Carlos Beltran, Billy Hamilton, Jesse Tannehill, Robin Roberts, Greg Maddux, Dan Quisenberry, Goose Gossage, Bruce Sutter, Nolan Ryan, Joe Sambito, Tim Wakefield, Bob Ojeda, Bret Boone
Season 26 player list:
Gary Carter, Duke Farrell, Zeke Bonura, Tom Herr, Joe Cronin, Ron Cey , Johnny Pesky, Ken Oberkfell, Jeff Frye, Ty Cobb, Earl Averill, Jim Rice, Al Simmons, Steve Rogers, Ubaldo Jimenez, Toad Ramsey, Mark Eichhorn, Brian Fuentes, Jim McAndrew, Vinegar Bend Mizell, Rick Sutcliffe, Bob Gibson, Walter Johnson, Hank Aaron
Season 27 player list:
Johnny Roseboro, Sandy Alomar Jr, Wally Pipp, Eddie Collins, Ozzie Smith, Graig Nettles, Phil Rizzuto, Roberto Alomar , Billy Goodman, Bobby Veach, Greg Luzinski, Sixto Lezcano, Sammy Byrd, Justin Verlander, Don Drysdale, Bobo Newsom, Kent Tekulve, Daniel Bard, Joe Nathan, Dave Stieb, Jose Deleon, Stan Coveleski, Harvey Haddix, Dave Parker
Season 28 player list:
Mickey Cochrane, MIckey Tettleton, Jeff Bagwell, Rogers Hornsby, Barry Larkin, Dave Hollins, Jack Clark, Joe Sewell, Jimmie Foxx, Harry Heilmann, Frank Howard, Tony Oliva, Willie Wilson, CC Sabathia, Jack Morris, Gaylord Perry, Ray King, John Rocker, Tim Burke, Greg Maddux, Randy Johnson, Ron Guidry, Gene Garber, Pete Rose
Season 29 player list:
Bill Freehan, Jack Clements, Willie McCovey, Charlie Gehringer, Jimmy Rollins, Stan Hack, Luis Castillo, George Kell, Marty McManus, Roberto Clemente, Mickey Mantle, Heinie Manush, Adam Lind, Bob Feller, Rick Reuschel, John Tudor, Steve Reed, LaTroy Hawkins, Rollie Fingers, Doug Drabek, Jamie Moyer, Dock Ellis, Hideo Nomo, Al Kaline
Season 30 player list:
Mike Piazza, King Kelly, Mark Teixeira, Jose Oquendo, Tony Fernandez, Jimmy Collins, Mark DeRosa, Miguel Cabrera, Alvin Dark, Stan Musial, Jim Edmonds, Dale Murphy, Jacoby Ellsbury, Addie Joss, Sandy Koufax, Sam McDowell, Jonathan Papelbon, Tug McGraw, Vida Blue, Dan Haren, Kerry Wood, Sonny Siebert, Felix Hernandez, Ival Goodman (OF)