Complex sentence: At Payback, Anderson and Gallows interfered in the (restarted) no disqualification Reigns-Styles world title match, which caused The Usos to arrive to brawl with them and, after Reigns twice attacked the four interfering men, he pinned Styles to retain his championship.
Split into simpler sentences: At Payback, Anderson and Gallows interfered in the (restarted) no disqualification Reigns-Styles world title match, which caused to Usos to arrive to brawl with them. After Reigns twice attacked the four interfering men, he pinned Styles to retain his championship.