In the National Football League, 115 quarterbacks have passed for at least 400 yards in a single game ("400-yard game") 225 times in the regular season and 15 more in the postseason. Dan Marino has recorded the most 400-yard games, with 15, including two postseason games. Peyton Manning is the only other quarterback with two postseason 400-yard games, and has the second most overall, with 10. Three rookies have thrown for 400 yards in a game, with Cam Newton the only one to have done so twice in that season, as well as the only one to do so in his first career start. Ken O'Brien is the only quarterback to have earned a perfect passer rating in a 400-yard game. Don Strock is the only quarterback to have thrown for 400 yards in a game he did not start. Kurt Warner is the only quarterback to