The Chiefs were behind by 10 at the intermission of last year's Super Bowl against the Philiadelphia Eagles, before rallying for a 38-35 win.
That was a big comeback — but not close to the biggest halftime deficit a team has overcome in Super Bowl history.
The Atlanta Falcons led the New England Patriots 21-3 at halftime during Super Bowl LI.
No team had ever erased a double-digit halftime deficit to win the Super Bowl.
But none of those teams had Tom Brady as their quarterback.
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