The video seemed to be in response to the latest fine handed down by the Raiders.
Source: The #Raiders fined WR Antonio Brown an unspecified amount for his unprofessional behavior in a recent interaction with GM Mike Mayock. “He’s been fined and he’s not happy,” the source said.
— Ed Werder (@WerderEdESPN) September 7, 2019
Gruden reportedly was truly amused by Brown’s video and thought it was “awesome,” because of course he did.
Flip the Page for the Details of Gruden’s Reaction: