The 7-foot, 400-pound lineman, 17, has sights on the NFL

A massive high school football player is focused on making his way into the NFL. John Krahn is just 17-years-old, but is 7-feet tall and weighs in at 440 pounds, making him the biggest high school player in the country. He would also become the tallest player in NFL history should he be drafted into the league - and as a lineman near impossible to block or get past.

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