“Dat Dude” is widely considered one of the best football players in Columbia's history, primarily at a position he played for just two seasons. He is known throughout pro football as “Dat Dude.”
He is known for earning the Phil Simms Ironman Award and for being named Walter Payton Man of the Year three times, recognizing his off-the-field community service as well as his playing excellence. He is known as one of the most literate and thoughtful players in the NFL, chosen as player representative for Buffalo and San Diego for six years. He is known for being voted (by his fellow players) to the Pro Bowl three times, once as a starter (2001) and for being named NFL All-Pro. He is known for being one of the best pass rushers in all of pro football, a terror to quarterbacks who quake when his 6-foot-5, 275-pound frame draws near. He is known for nine solid seasons as an NFL defensive lineman with the Buffalo Bills, San Diego Chargers, Dallas Cowboys and Jacksonville Jaguars. Marcellus Vernon Wiley is known throughout the National Football League.