Once a kickoff goes 10 yards, it is anyone's ball. That is well known, but on a few occasions, the receiver either muffs the catch or forgets that it is a free ball, which leads to a touchdown. Most recently it occurred in the final game of the 2016 season
Rarities
Double Overtimes and the NFL Playoff Overtime Rules
Differences between NFL regular season and postseason playoff rules: Regular Season Postseason Number of periods 1 unlimited Length of periods 10 minutes 15 minutes Timeouts per team 2 3 per 2-period "half" Timing rules 4th quarter 1st quarter for 1st overtime, etc. If the 1st overtime ends with the teams still tied ... The game ends in a tie. 2-minute break, switch sides of field typical of
NFL teams that never kicked off
Quirky find: a 1951 palpably unfair act awarded 1 point
NFL fair-catch kick attempts
Palpably unfair acts
[Last updated 12/1/2017: Dayton extra point from 1951.] What happens when something obviously unfair yet not specifically covered by the rules happens during a football game? The palpably unfair act rule gives the referee full discretion to decide what should happen when such events occur, up to and including awarding one team
Another fair-catch kick found
Sam Baker, Philadelphia vs. San Francisco, December 21, 1969. Wide from 46 yards near the end of the first half. (Baker's day also included an aborted extra point and two other missed field goals, including a potential game-winning 19-yarder with 59 seconds left. It turned out to be the last game of