Jerome Bettis is an American football legend who revolutionized the game. He was nicknamed “The Bus” for his powerful running style and ability to move the chains. Bettis was a six-time Pro Bowler and a Super Bowl
From Wikipedia
Jerome Abram Bettis Sr. is an American former professional football running back who played in the National Football League (NFL) for 13 seasons, primarily with the Pittsburgh Steelers. Nicknamed "the Bus" due to his large size and forceful running style, he is regarded as one of the greatest power runners of all time and ranks eighth in NFL rushing yards.