Can the Miami Heat's Big Three of LeBron James, Dwyane Wade and Chris Bosh lead their defending champion squad on another NBA title run and pull off a three-peat? Is this the final time that they will play together? These are only a couple of the most intriguing questions entering the first round of the NBA playoffs on Saturday. BET.com takes a look at the most compelling story lines to follow entering the first-round of the NBA playoffs. The Heat is on!