At least that's what Baseball Reference says... Rk Player Wt From To 1 Walter Young 320 2005 2005 2 Jonathan Broxton 295 2005 2010 3 Jumbo Brown 295 1925 1941 4 Brad Eldred 290 2005 2010 5 Jon Rauch 290 2002 2010 6 CC Sabathia 290 2001 2010 7 Adam Dunn 285 2001 2010 8 Jeff Fulchino 285 2006 2010 9 Chad Paronto 285 2001 2009 10 Calvin Pickering 283 1998 2005 Provided by Baseball-Reference.com: View Play Index Tool UsedGenerated 3/12/2011.I can't help but see some inherent flaws in Baseball Reference's weight data. For one, you can't just define a player by one measure of weight over his entire career...weight fluctuates a lot over a player's career. Pablo Sandoval just lost 38 pounds for example. Also, nine of the fifteen heaviest players played in 2010. The 25 lightest...

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