NFL Linemen Keep Growing, Putting Their Health at Risk, Experts Say FRIDAY, Feb. 5, 2016 (HealthDay News) -- As the Denver Broncos and Carolina Panthers gear up for Super Bowl 50 showdown, many may be focused on the potential dangers of concussion, but that's not the only health risk football players face. Concern about the size of players -- especially linemen -- has been growing along with the players' waistlines. And some researchers are now suggesting that these athletes should be monitored for health problems. The study was published recently in the Strength and Conditioning Journal.