Josh Allen and Cameron Heyward clearly had heat throughout Sunday's game between the Buffalo Bills and Pittsburgh Steelers . Heyward claims it all stemmed from Allen kneeing him in the stomach. On multiple occasions throughout the 26-7 win for the Bills, Allen and Heyward could be seen invading one another's personal space after the whistle.

"Being kneed in my stomach," Heyward said, per Steelers correspondent Mark Kaboly . "Then I was jawing back and forth. Ticked off the entire game because, as a quarterback, they're protected and I'm not. It just pisses me off."

Asked whether he believed Allen did it intentionally, Heyward said the Bills quarterback said as much to him on the field at one point.

"Yes, he even said after, 'I had to do something to get you off of me,'" Heyward

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