The appearance by Bosa during NBC’s postgame interviews Oct. 27 violated NFL uniform and equipment rules for wearing a hat that contained a personal message.

The standout defensive player for the San Francisco 49ers has always been outspoken about who he supports politically, and he made that loud and clear when he crashed a Sunday Night Football postgame interview wearing a “Make America Great Again” hat.

The NFL recently faced a unique challenge after San Francisco 49ers’ defensive end Nick Bosa wore a MAGA hat during a TV interview with quarterback Brock Purdy on October 27, following their win over the Dallas Cowboys.

Nick Bosa was fined by the NFL for his Donald Trump-supporting hat stunt, which he did after San Francisco beat the Dallas Cowboys.

San Francisco 49ers defensive star Nick Bosa showed off a “Make America Great Again" hat during a live postgame interview, which is now being reviewed by the NFL.

NFL rules prohibit players from “wearing, displaying, or otherwise conveying personal messages” on game days, including during postgame interviews.

The NFL fined 49ers edge rusher Nick Bosa for wearing a hat that contained a personal message, the league announced Saturday.

When San Francisco 49ers pass rusher Nick Bosa wore a “Make America Great Again” hat during a televised interview, it was a clear violation of NFL rules. It also left the league in a thorny situation.

San Francisco 49ers’ Nick Bosa’s MAGA gesture after a game sparked controversy, but the NFL chose to delay his fine until after the presidential election.

The NFL reportedly took its time fining Nick Bosa because there were concerns over risking backlash from Donald Trump.