Olivier Rioux, the 7-foot-9 collegiate basketball giant, is transferring to UC Irvine. Rioux will play under Coach Russell Turner, known for successfully coaching other exceptionally tall players. The 20-year-old Rioux, a Guinness world record holder, saw limited play during his 2 years at Florida. The tallest man in basketball is headed west to take the next step in his career. Olivier Rioux, a 7-foot-9 behemoth who is the tallest player in both collegiate and professional basketball, committed to UC Irvine after transferring from Florida, he announced on Instagram. Rioux will play under coach Russell Turner, who has been there since 2010 and has enjoyed success coaching multiple larger-than-usual bigs. Florida center Olivier Rioux (32) follows through on his dunk over Prairie View A M guard Jannoy Thomas (10) and forward Hassane Diallo (11), who is 6-foot-8.…