Add the Miami Dolphins to the list of teams that will not tolerate kneeling during the national anthem.
"It doesn't matter what I think. This is what we're doing," he added, via Kelly.
Three Dolphins players had been kneeling during the national anthem as part of the protest against racial injustice, via Darren Rovell of ESPN:
However, they were not allowed to replicate the activity during Sunday's game against the Tennessee Titans, per Barry Jackson of the Miami Herald. Julius Thomas, Kenny Stills and Michael Thomas stayed in the locker room before coming out after the ceremony.
The rest of the players on the field stood during the national anthem.
Gase is not the only team official to mandate standing on the sideline. Dallas Cowboys owner Jerry Jones said Sunday that anyone who is "disrespecting the flag" by kneeling won't be allowed to play, per Brandon George of the Dallas Morning News.
The NFL Players Association released a statement Sunday defending the players' constitutional rights to protest peacefully.
Players had been kneeling during the national anthem since the start of last season, but the issue has become more controversial in recent weeks after becoming a target from President Donald Trump. Vice President Mike Pence announced his decision to walk out out of the Indianapolis Colts' game Sunday after San Francisco 49ers players knelt during the anthem.