NBA free agency officially kicked off on Monday evening as the negotiating window opened for eligible players and all teams across the league at 6 p.m. ET. Monday night was relatively quiet, but the first stunners of the new league year came Tuesday morning.

LeBron James may be 40, but don’t let the number fool you—he’s not ready to hand over the crown just yet. The four-time NBA champion and surefire Hall of Famer

While they lose key players, the Mavs still have four former No. 1 picks, a rim-running center in Dereck Lively II, another guard in D'Angelo Russell and key wings in Naji Marshall and Max Christie. That's a championship roster.