UFC on Fox 30: Alvarez vs. Poirier 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on July 28, 2018 at the Scotiabank Saddledome in Calgary, Alberta, Canada. A lightweight rematch between former two-time Bellator Lightweight Champion and former UFC Lightweight Champion Eddie Alvarez and Dustin Poirier was the main event of the card. Their first bout at UFC 211 in May 2017 was ruled a no contest after Alvarez hit a downed Poirier with illegal knees in the second round.

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