I'm not too sure but Leonard Davis used to be around 400 pounds when he was on the Cardinals several years ago. Ted Washington(Nose Tackle) used to be like 370 pounds.
The most EVER by a NFL lineman is 49 repetitions, by Stephen Paea 2011.
The fastest 40-yard dash time recorded for an NFL lineman is 4.65 seconds, achieved by Lane Johnson at the 2013 NFL Combine.
Marqueis Gray is the heaviest NFL quarterback ever. He weighs in at 240 pounds and plays for the Minnesota Vikings.
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According to dallascowboys.com, the heaviest player on the 2007 Dallas Cowboys roster is offensive lineman Leonard Davis who weighs 354 pounds.
Drew brees
doug martin
Empires
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As of the 2011 football season they do have the heaviest offensive line in college football.
Jared Allen for the Minnesota Vikings.
Currently, the heaviest players in the NFL (as of the 2009 season) are Brandon McKinney, defensive tackle for the Baltimore Ravens, and Herman Johnson, guard for the Arizona Cardinals, who both are listed on the roster at 360 pounds.For the heaviest player in NFL history, see the related question below.