Rob Gronkowski explains what Bills must do to take down undefeated Chiefs in rivalry game

NFL legend Rob Gronkowski discusses FOX's "America's Game of the Week" as the Buffalo Bills take on the Kansas City Chiefs in a critical AFC matchup.

One of the NFL's greatest rivalries in recent years – the Buffalo Bills and Kansas City Chiefs – kicks off its latest chapter in Orchard Park, New York, on Sunday in a highly anticipated matchup. 

The Chiefs remain undefeated after blocking a game-winning field goal against the Denver Broncos, while the Bills have ripped off five straight victories to come in at 8-2 on the year. 

The team to beat in the NFL is the Chiefs, and though they have been in some close games, they have done whatever it takes to get the job done and make sure their loss column remains clean. 

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Buffalo Bills quarterback Josh Allen, #17, stiff-arms Indianapolis Colts defensive end Dayo Odeyingbo, #54, during the second half of an NFL football game on Sunday, Nov. 10, 2024 in Indianapolis. (AP Photo/Darron Cummings)

So, what do the Bills need to do to get a win against their rival? NFL legend Rob Gronkowski knows it all comes to those final minutes in the fourth quarter, better known as "crunch time."

"The Bills need to play a complete game. All four quarters, there’s no doubt about that," Gronkowski told Fox News Digital at Great Wolf Lodge's grand opening in Naples, Florida, on Thursday. "And when it comes to crunch time, they cannot make any mistakes because Patrick Mahomes and the Kansas City Chiefs, they don’t make mistakes when it comes to crunch time. They know how to win, no matter what type of game it is. 

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"Patrick Mahomes knows how to adjust to whatever