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, Spencer Fossier, Arrives In Austin For Who's Next
May 10, 2022
Who's Next's most eclectic personality, Spencer Fossier arrives in Austin for the FloGrappling reality show.