Complex sentence: The two had a match at WrestleMania to determine who would referee the main event where Mankind won by disqualification, though he was hospitalized, while Wight was arrested after he punched McMahon for slapping him.
Split into simpler sentences: The two had a match at WrestleMania to determine who would referee the main event, which Mankind won by disqualification. In the storyline, however, Mankind was hospitalized after the match, while Wight was arrested after he punched McMahon for slapping him.