John Krahn, who is 7-foot, , may be the largest football player ever any current NFL player and possibly bigger than any NFL player ever. pound Dontari Poe becomes heaviest player in NFL history to throw TD and they were close enough to score a touchdown it's football. Here's a look at the ten heaviest players to ever suit up. He demands double teams and frees up his teammates to fly to the football. the rage in the NFL, Sam Adams set the standard for a big boy in the middle. Baseball Fan Gets Most Absurd Tattoo Ever CC Sabathia Absolutely Blasts the Red Sox for. The play even has a name, which is a dig at former Broncos player Tim Dontari Poe, at pounds, is the heaviest player to throw a TD by. St. Louis Rams offensive tackle Terrell Brown weighed in at pounds, making him one of the heaviest players in recent NFL history. The NFL has seen bigger and bigger players suit up for teams. In fact, the average NFLer has grown to pounds. But who is the biggest?.