Photo: Instagram/Sean O’Malley Sean O’Malley has unveiled footage showcasing what appears to be a first-round knockout of UFC flyweight champion Alexandre Pantoja during a sparring session back in 2016. The video release comes after years of dispute between the two fighters regarding the outcome of their training encounter. In the short clip shared on social media, a youthful O’Malley can be seen demonstrating his striking prowess, landing a decisive kick to Pantoja's liver before the Brazilian fighter signals for a break. While O’Malley claims victory in the first round, he concedes to being submitted by Pantoja in later rounds. The feud between O’Malley and Pantoja reignited when Pantoja boasted about besting O’Malley in their spar prior to UFC 301. O’Malley, backed by his coach Tim Welch, countered these claims, asserting his dominance in the session. Photo: Instagram/Sean O’Malley Pantoja, however, alleges that O’Malley refused to share the full video of the spar, only showcasi...