Spencer Fossier is a Brazilian jiu-jitsu competitor and one of the 16 contestants on FloGrappling’s reality TV show, Who’s Next: Submission Fighter Challenge presented by Tezos. Born on May 16, 1990, Fossier is a brown belt under Craig Jones. The most eccentric member of the 16 competitors, 32-year-old purple belt Spencer goes by the moniker "Sewer Rat". He hails from Louisiana.
The Sewer Rat: Meet Who's Next Competitor Spencer Fossier
May 10, 2022
Spencer Fossier explains the origins of his nickname, and his eclectic personality ahead of the Who's Next reality show.