Denver Broncos linebacker Dre Greenlaw 's one-game suspension for unsportsmanlike conduct toward a referee has been upheld on appeal, the league announced Tuesday.

Greenlaw will miss Denver's home game against the Dallas Cowboys on Sunday.

In announcing Greenlaw's suspension on Monday, the NFL said he "chased after referee Brad Allen and verbally threatened him as he tried to leave the field" following the Broncos' win against the New York Giants at Mile High Stadium.

Video posted by a CBS Colorado reporter showed Greenlaw's encounter with Allen .

Video of Dre Greenlaw: https://t.co/TRtxJ0WQfH — Adam Schefter (@AdamSchefter) October 20, 2025

The suspension will cost Greenlaw, who must also sit out the Broncos' practices this week, a game check in the amount of $192,778

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