Former UFC champion Cody Garbrandt doubts the legitimacy of current bantamweight title holder Sean O'Malley's wins, citing a controversial decision and his opponent's weight cut as potential factors. O'Malley's next defense against Merab Dvalishvili will be a true test of his skills, according to Garbrandt, who will also be fighting at UFC 300 this weekend. Join the conversation on MMA Junkie's social media platforms for more coverage of the event.