Beastmode! If he played in the NBA, this would get Marshawn Lynch a nice hefty fine, but he’s used to those… Former NBA player Leon Powe – who helped the Celtics win their 2008 title and then played for the Cavaliers and Grizzlies – was a high school basketball teammate of Marshawn Lynch. And Lynch, the Seattle Seahawks running back whom opposing players described as a “freight train”, played basketball just how he plays football.