A sellout crowd Saturday afternoon at Barclays Center got its money's worth of playoff basketball as Nets coach Kenny Atkinson altered his starting lineup to include Caris LeVert and Jared Dudley. Then, things turned rough in the third quarter when Joel Embiid hammered Jarrett Allen to the floor for the second time in the first-round series, sparking a melee that resulted in the ejections of Dudley and 76ers All-Star guard Jimmy Butler.