Keith Loneker played in the NFL for the Rams and Falcons.
He's been credited by IMDB with 18 performances in the film industry. In 2008 he was in Leatherheads as "Big Gus":
Also in 2008 he was in Lakeview Terrace as "Clarence Darlington":
He also was in 2016's Outlaws and Angels as "Little Joe":
In 1998 he made his debut in Out of Sight as "White Boy Bob":
He was in Superbad as "Wild Bill Cherry"