The Detroit Pistons were on the verge of embarrassment by being one of the few No. 1 seeds to fall in the first round of the NBA playoffs, but they staved off elimination with a huge comeback in Game 6 before putting the Orlando Magic away on Sunday.Following the Cleveland Cavaliers’ victory over the Toronto Raptors in another one-sided Game 7 to close out the weekend, we are down to the final four teams in the Eastern Conference.Here’s my ranking of the teams heading into their respective semifinal matchups.More news: LeBron vs. Father Time and History: Ranking the Final 4…