The old adage is that a playoff series doesn't truly start until someone loses on the road. In what mostly felt like the comfy confines of Madison Square Garden, thanks to the boatloads of New Yorkers who made the pilgrimage down the turnpike, the Knicks all but put an end to their semifinals matchup with the 76ers on Friday night. No team in NBA history has ever successfully come back from a 3-0 deficit in 161 tries, and only four teams have even clawed back to force a Game 7. Just a round ago, the Sixers completed a 3-1 comeback to eliminate the Celtics. But these Knicks aren’t those overrated Celtics. They aren't the 2004 Yankees. They're a group showing why they're the best team in the Eastern Conference and just flatly better than their opposition. The Knicks should treat Game 4 as important as any other contest, especially when considering how handily Detroit is taking care of Cleveland.…