What is the biggest Super Bowl blowout? Largest SB margin of victory
The Chiefs are down 24 - 0 at halftime and NFL fans are wondering what the biggest defeat in Super Bowl history is. Let’s take a look


If things continue like this in the second half, we could see one of the biggest blowouts in Super Bowl history. Mahomes is going to have to show his best stuff to get the Chiefs back in the game. Some experts predicted a big win for the Eagles with Saquon Barkley, Jalen Hurts and an impressive defense capable of shutting down even the Chiefs
HALFTIME: @Eagles up 24-0.
— NFL (@NFL) February 10, 2025
📺: #SBLIX on FOX
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What is the biggest Super Bowl blowout?
Back in 1990, Super Bowl XXIV, the San Francisco 49ers beat the Denver Broncos 55 - 10, which is, to date, the largest margin of victory in Super Bowl history. Joe Montana completed 22 of 29 passes for five TDs and 297 yards to shut down the Broncos. Denver had an impressive 1989 season with John Elway leading the way, but the 49ers were just too much for the Broncos.
Biggest Super Bowl blowouts:
— B/R Gridiron (@brgridiron) February 10, 2025
XXIV 49ers beat Broncos 55-10
XX Bears beat Pats 46-10
XLVIII Seahawks beat Broncos 43-8
XXVII Cowboys beat Bills 52-17
XXII Washington beat Broncos 42-10
Are we headed for a historic rout? pic.twitter.com/LrdP1azCnm

Super Bowl’s lowest-scoring half
We’ll see what happens in the second half of Super Bowl LIX, but if it’s a repeat of the first half we’ll have a new record for the biggest Super Bowl blowout.
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