F Dirk Nowitzki (two years, $50 million); G Deron Williams (one year, $9 million); F Dwight Powell (four years, $37 million); C Salah Mejri (guaranteed 2016-17 contract)

THE SKINNY: We're not being critical of the Mavs' moves by ranking them here. But the franchise is spinning its wheels. Every summer since its championship season, NBA 2K17 MT  has lined up cap space to try and get an elite free agent. And every summer, it's come up snake eyes. This year, the targets were Miami Heat center Hassan Whiteside and Memphis Grizzlies point guard Mike Conley. The Mavs struck out, just as they did for Dwight Howard and LeBron James and Carmelo Anthony and Chris Bosh and DeAndre Jordan and Kevin Durant. They always salvage the summer with decent veteran pickups, and this one was no different. Barnes had a horrible Finals, but he's still just 24 and he's worth putting some money into.