This is one of the best traditions in the world: when Buffalo Bills fans -- AKA Bills Mafia -- decide to support an NFL player (whether it's their own or from another team), they go all in and donate their money.

In the wake of Mark Andrews' pivotal Divisional Round drop, Buffalo Bills fans are donating to a research organization supported by the Baltimore Ravens tight end.

Lamar Jackson acted like a true leader at a low point for his team. Jackson and the Ravens lost a heartbreaker to the Bills in the AFC divisional round on Sunday after Mark Andrews dropped what would have been a game-tying catch on a two-point conversion late in the fourth quarter.