Chael Sonnen thinks Valentina Shevchenko made a mistake by not acknowledging Manon Fiorot after UFC 306. Shevchenko (24-4-1 MMA, 13-3-1 UFC) regained her flyweight title with a dominant decision win over Alexa Grasso (16-4-1 MMA, 8-4-1 UFC) in Saturday's co-main ev