Breer checked in with nine NFL teams to see what the teams were telling their players. According to Breer, one of the teams used Bosa going on “Sunday Night Football” to show off a “Make America Great Again” hat as a negative example.

The NFL is looking into a fine of Nick Bosa after the 49ers defensive end wore a “Make America Great Again” hat on the field after San Francisco’s win against the Dallas Cowboys.

Nick Bosa crashed his San Francisco 49ers teammate’s postgame interview on Sunday night to make a Donald Trump statement with his “Make America Great Again” hat, although he didn’t back it up with much of an actual statement when asked about it. But let’s focus on the hat itself: was that a violation of NFL rules?

The NFL is reviewing a postgame episode Sunday night in which San Francisco 49ers defensive end Nick Bosa wore a “Make America Great Again” hat during NBC’s interviews. Bosa is not facing a suspension but could be fined for violating NFL rules,

The NFL is taking its time making a decision on whether to discipline Nick Bosa for flashing a “Make America Great Again” hat during NBC’s “Sunday Night Football”

Griffin argues that Bosa’s hat choice violated NFL rules and recalls his own experience with fines over personal messages.

Last month, San Francisco 49ers defensive end Nick Bosa went viral for showing his “Make American Great Again” hat during his teammates’ television interview after a game. And it sounds like the league is in the midst of deciding whether or not to punish him for it.

San Francisco 49ers edge-rusher Nick Bosa may face a fine from the NFL after crashing his teammates's postgame interview in a 'MAGA' hat last. Sunday.