LOS ANGELES, Dec. 24 (UPI) -- Boxer-turned-MMA champion Claressa Shields said the new movie about her life, The Fire Inside , in theaters Wednesday, puts more pressure on her to win her February bout. The film stars Ryan Destiny as Shields, who became the first American female Olympic gold medalist in boxing in 2012. Shields transitioned into MMA in 2020, but will box against Danielle Perkins on Feb. 2. Advertisement On the line in this homecoming bout will be Shields' WBC heavyweight title and