All we heard heading into the Knicks’ semifinal matchup with the 76ers was how they’d have a decidedly important rest advantage in Game 1 following the Sixers needing seven games to vanquish Boston. New York and its spryer legs won the series opener 137-98. In fairness, Sixers starters logged 251 minutes in the first round, which was most among all playoff teams. Their starters were out of gas and their bench was non-existent, a classic Knicks problem in recent years under coach Tom Thibodeau. The series wasn’t a historic sweep thanks to the Knicks having less tread on their tires. But it certainly didn’t hurt. Now it’s almost unfair how much time off coach Mike Brown’s team will have due to dispatching Philly in four quick games. This comes with it seeming likely that Cleveland and Detroit will beat each other up for three more games.…