With the NBA tipping off its 72nd season on Tuesday, here are 72 reasons to watch in 2017–?18, in case a budding Warriors dynasty, a LeBron James contract year, and a compelling new pack of superstar-laden challengers wasn't enough for you. 1. The NBA's offensive boom shows no signs of abating. Last season, the average NBA team scored 105.6 PPG, the highest mark since 1991 and well, well above the 96.3 PPG that teams averaged just five years ago.