Rizzo started performing in the sixties with The Cufflinks. He is best known for his work as saxophonist and flautist with funk band Sly and the Family Stone He was intended as a replacement for founding member Jerry Martini, who got into trouble with Sly Stone and his accountants for inquiring about money rightfully due him, but both Martini and Rizzo remained in the band and became good friends. He later replaced Charles Miller in War. During this period he also performed with Tito Puente and Frank Sinatra.
Rizzo was married to Kelli J Ball (Mickeliunas), an international fashion model. The couple divorced. He passed away on April 16th, 2021.
- Santiago, Eddie (2008-02-17). Sly: The Lives of Sylvester Stewart and Sly Stone. Eddie Santiago. pp. 177–. ISBN 978-1-4357-0987-4. Retrieved 26 July 2011.
- “Ry Cooder – Chicken Skin Music”. Discogs. Retrieved 16 September 2017.
- “Ry Cooder – Jazz”. Discogs. Retrieved 16 September 2017.
- Marsch, Michael. “Rockpalast Archiv – Ry Cooder 1977”. www.rockpalastarchiv.de. Retrieved 16 September 2017.
- Sly: The Lives of Sylvester Stewart and Sly Stone By Eddie Santiago Page 177