Warriors make historic six-team trade official as Klay Thompson joins Mavericks

Making trades is hard, Warriors general manager Mike Dunleavy Jr. insisted at the start of the offseason. It requires dealing with other similarly smart teams and navigating through the new collective bargaining agreement, which effectively bars the highest-spending teams from being involved in trades.

So much for all that.

Shortly after the NBA’s moratorium ended, which allows teams to conduct official business, the Warriors announced the finalized details of the trade that brought...