Remember, Brandon -- who played college football with Kap at Nevada -- was one of the first players to take a knee and join in Colin's protest to put a spotlight on police violence against minorities.

While the terms of Kap's settlement with the NFL have not been made public, there are reports he got somewhere in the neighborhood of $80 mil ... and Marshall says that makes him "extremely happy."

"The fact that [the NFL] settled showed that [Kaepernick] had some good evidence. Whatever the outcome, I feel like Kap came out on top, so I'm happy for him."

Marshall says he knows Kaepernick still wants to play in the NFL -- and hopes teams can "let bygones be bygones and let him play quarterback."

Brandon says Kap is one of the hardest working guys he's ever met -- and he's confident he can still play at a high-level for a bunch of NFL teams.