99 yards is the maximum possible, and that feat has occurred multiple times.
The longest play you can make in the NFL is for a receiver in the end zone to run a kickoff back for a touchdown. A lot of players have done it.
-1 yards
The longest 4th down conversion in NFL history is a 4th and 26 play by the Philadelphia Eagles in a 2004 playoff game against the Green Bay Packers. The Eagles converted the 4th down and went on to win the game.
morten Anderson nfl from 86 to 08
17
Me
Longest GainIt's the longest reception caught in the game.
michael viks longest run is 53 yards.
Lamar hunt
FAVRE
Chicago Bears
The NFL.