UPDATED: Though it was announced as a heel hook, we are classifying Brendan Allen's submission as a straight ankle lock. It's just the 9th such submission ever in the UFC.#UFFC261 Result: Brendan Allen def. Roberson via submission (straight ankle lock) at 4:55 of Round 1 https://t.co/tlDaLDaLXK

— UFC News (@UFCNews) April 25, 2021