Complex sentence: Exasperated at Happy's poor performance, Barker even begins heckling him before they break into a full-scale brawl, which Barker wins and is also enough to have Happy suspended from the tour and fined $25,000.
Split into simpler sentences: Exasperated at Happy's poor performance, Barker even begins heckling him before they break into a full-scale brawl (which Barker wins). As a result, Happy is suspended from the tour and fined $25,000.