William Scott "Bill" Goldberg is an American actor, former football player and former professional wrestler. He is best known for his appearances with World Championship Wrestling between 1997 and 2001, and in World Wrestling Entertainment between 2003 and 2004. He is notable for his lengthy undefeated streak in singles competition. The official count is listed as 173–0. Goldberg is a two-time world champion: a one-time WCW World Heavyweight Champion and one-time World Heavyweight Champion in WWE, with both reigns represented by the Big Gold Belt. He is recognized as the only undefeated world champion in the history of sports entertainment, and the first man to hold a version of the Big Gold Belt in both WCW and WWE, later followed by Chris Benoit, Booker T and Big Show. He is also a two-time WCW United States Heavyweight Champion and one-time WCW World Tag Team Champion. Goldberg headlined many pay-per-views for WCW and WWE, including closing WCW's premier annual event, Starrcade, on two occasions. Before he was a professional wrestler, Goldberg was a football player. After retiring from wrestling, he began working as a commentator for the mixed martial arts promotion EliteXC until its closure. As of 2010, he has been the host of Garage Mahal on the DIY Network.