OKLAHOMA CITY — Over the course of NBA history, there have been impressive coaching performances.  Rick Carlisle inserting J.J. Barea into the Mavericks’ starting lineup in the middle of the 2011 NBA Finals against the Heat’s “Big 3” is one.  Trailing 2-1 to the Cavaliers in the 2015 NBA Finals before Steve Kerr inserted Andre Iguodala into the Warriors’ starting lineup is another. But for Lakers coach JJ Redick, defeating the reigning champion Thunder in the Western Conference semifinals