Toronto, you have a new postseason hero. Just shy of the seven-year anniversary of Kawhi Leonard’s incredible Game 7 shot against the 76ers that sent the Raptors to the Eastern Conference finals en route to their first NBA title, RJ Barrett decided it was his turn to etch his name into history . With the Raptors down 3–2 to the Cavaliers in the series and facing potential elimination at home, it was a do-or-die game. An incredible defensive stand gave Toronto possession with 10 seconds left in overtime trailing by a single point. Scottie Barnes drove to the basket but was smothered by the Cleveland defense, and kicked out to Barrett for a three. Barrett’s shot arced through the air and hit the back heel of the rim, popping straight into air and out of frame for the audience watching the game on television. Then it came straight down.…