Rizzo made his debut in 1996, running his own Rizzo Racing Chevy at Watkins Glen International. He had an outstanding run there, started 6th and finishing 7th. Rizzo made three more races that year, including an 11th place at Infineon Raceway. However, he did not finish the other two races.

Rizzo made a dozen starts in 1997. Once again, he got his best finish of the year in his first start, a 6th place run at Tucson. However, Rizzo struggled in his other starts, as he only posted three top-20 finishes..

Rizzo would only make two starts in 1998, as Scot Walters purchased Rizzo's ride. Rizzo, however, ended up with the #98 Liberty Racing Ford team. Rizzo struggled in his first race at Homestead-Miami, finishing 30th after a crash. However, in the next race at Watkins Glen, Rizzo managed another top-10 finish. He started and finished 8th in that event.

Rizzo made his final start in 1999, running one race at Portland International Raceway. He struggled, ending up 21st in that event. He has not raced in NASCAR since. On July 24, 2004, Natalia Cigliuti married Rob Rizzo. Their first child, a son named Kaden Robert Rizzo, was born on July 2, 2005.