Some important salary cap notes as teams finalize their rosters before the next week’s openers:



• Sorry, contenders (and pretenders) – Bradley Beal can’t be traded until after the season after agreeing to an extension with Washington for two years, $72 million. Half of the league had sugar-plum dreams of piling up assets to make a move for Washington’s top-notch shooting guard. That fantasy will have to wait until June at the earliest.



Beal’s move makes sense on multiple levels. The extension allows him to opt out in 2022, after his 10th season, and earn the higher max contract afforded to 10-year vets. He has a 15 percent trade kicker too, and the ability to opt in to the 11th season at any time; combine those two and he’s set up to secure a pretty large bag if the Wizards move him. For instance, if traded next summer, he would receive a cool $15 million.



Beal did potentially leave money on the table: An All-NBA...