Five reasons to tune in to the Summer Dubs. It's been three weeks since the Warriors celebrated their second consecutive NBA Championship with a parade through downtown Oakland, so you know what that means... It's time to get back to basketball. Wait, really? Already? If the first month of the NBA's so-called 'offseason' has you hankering for some quality on-court competition, you're in luck. The wait is over, as the Warriors open up Summer League play later tonight.