Josh Allen's fourth-down QB keeper goes for a big gain

Watch the San Francisco 49ers vs. the Kansas Chiefs highlights from Super Bowl LVIII on Nickelodeon.

Watch all of the best plays from Kansas City Chiefs quarterback Patrick Mahomes' 399-yard game against the San Francisco 49ers in a thrilling overtime win in Super Bowl LVIII.

Watch San Francisco 49ers running back Christian McCaffrey's best plays vs. the Kansas City Chiefs in Super Bowl LVIII.

Watch all of the highlights from the thrilling overtime game between the San Francisco 49ers and Kansas City Chiefs at Super Bowl LVIII at Allegiant Stadium in Las Vegas, Nevada.

Watch every catch from Kansas City Chiefs tight end Travis Kelce's 93-yard game vs. the San Francisco 49ers from Super Bowl LVIII.

Kansas City Chiefs quarterback Patrick Mahomes shows elite poise on 18-yard scramble to red-zone open grass.

Kansas City Chiefs quarterback Patrick Mahomes is Nickelodeon's Super Bowl LVIII "NVP".

Kansas City Chiefs quarterback Patrick Mahomes takes the snap on a first-and-goal, rolls right and floats a short pass to the flat and a wide open wide receiver in Mecole Hardman who strolls into the end zone for the game-winning score to secure back-to-back Super Bowl wins for the Kansas City Chiefs.

Kansas City Cheifs quarterback Patrick Mahomes plays keepsies and rushes for first down in Super Bowl LVIII on Nickelodeon.

San Francisco 49ers rookie kicker Jake Moody's 27-yard field goal puts 49ers back on top with 22-19 lead in overtime.

San Francisco 49ers running back Christian McCaffrey shakes an open-field tackler for a HUGE 24-yard catch and run.

Kansas City Chiefs quarterback Kansas City Chiefs quarterback Patrick Mahomes throws to wide receiver Mecole Hardman for Super Bowl LVIII game winning touchdown on Nickelodeon.

Kansas City Chiefs quarterback Patrick Mahomes hits wide receiver Rashee Rice in stride for 13 yards in Super Bowl LVIII on Nickelodeon.

Kansas City Chiefs nose tackle Javon Hargrave yanks running back short of third-down pickup with Aaron Donald-like strength.

San Francisco 49ers wide receiver Brandon Aiyuk picks up a critical first down in over time in Super Bowl LVIII on Nickelodeon.

San Francisco 49ers fullback Kyle Juszczyk dives for the first down in Super Bowl LVIII on Nickelodeon.

San Francisco 49ers kicker Jake Moody's field goal gets the slime going in Super Bowl LVIII on Nickelodeon.

Kansas City Chiefs quarterback Patrick Mahomes completes a 13-yard pass to wide receiver Rashee Rice in overtime of Super Bowl LVIII.

With Super Bowl LVIII on the line, Kansas City Chiefs quarterback Patrick Mahomes calls his own number on a zone-read run for and picks up a first down on a fourth down and short.

San Francisco 49ers fullback Kyle Juszczyk caps quarterback Brock Purdy's improvised throw with sticky fingers on a spectacular grab.

Kansas City Chiefs defensive lineman Chris Jones forces San Francisco 49ers quarterback Brock Purdy into a throwaway at a critical time and prevents a potential go-ahead touchdown in overtime on a third-down red zone play.

Kansas City Chiefs cornerback Trent McDuffie's third-down holding on San Francisco 49ers wide receiver Juan Jennings breathes new life into SF's first drive of OT.

San Francisco 49ers wide receiver Brandon Aiyuk wins over the middle out of a bunch formation for an 11-yard gain and a first-down conversion.

Kansas City Chiefs kicker Harrison Butker's 29-yard FG ties the score and sends the game into overtime in Super Bowl LVIII on Nickelodeon.

Kansas City Chiefs tight end Travis Kelce finds the blank space in the middle of the field for the critical first down gain in Super Bowl LVIII on Nickelodeon.