Cleveland Browns defensive back Ronnie Harrison was fined Saturday for his role in an incident with Kansas City Chiefs coach Greg Lewis during their Week 1 game.

Harrison received a $12,128 fine for being involved in a shoving fight with Lewis on the sideline of the game, according to the NFL Network. Lewis reportedly only received a warning.

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The NFL determined that Lewis’ actions didn’t constitute a fine, the NFL Network reported. The league reportedly reminded teams in a memo this week that coaches and other non-players on the sidelines are prohibited from unnecessarily engaging with opponents, referees or league reps.

The fine for Harrison and lack of punishment for Lewis drew reaction from NFL circles.

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The incident started after Chiefs running back Clyde Edwards-Helaire caught a pass from Patrick Mahomes for an 11-yard gain but the end of the play featured some pushing and shoving.

Edwards-Helaire was on the ground when Harrison came over the scrum around the Chiefs players. He appeared to step on Edwards-Helaire as he was in the middle of the skirmish. Harrison then got pushed by Lewis and Harrison responded by pushing the coach back.

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The Chiefs bench initially was called for an unsportsmanlike conduct penalty but it was later reversed. Harrison was called for a penalty and ejected from the game over the incident.