Point guard Deron Williams officially signed with the Cleveland Cavaliers, after the Dallas Mavericks' decision to release him. The veteran point guard cleared waivers on Saturday after negotiating a contract buyout last week with Dallas. Williams averaged 13.1 points, 6.9 assists, 2.6 rebounds in roughly 29 minutes through 40 games with the Mavericks this season. The star will wear number 31 for the Cavaliers. The three-time All-Star has career averages of 16.6 points, 8.2 assists, 3.1 rebounds, and 1.1 steals.