[Also: Source: Knicks' Iman Shumpert has MCL sprain ]
Hawes has averaged 13 points and 8.5 rebounds for the Sixers this season. He gives the Cavaliers an inside-outside scoring weapon.
Philadelphia's two picks are for the 2014 draft, a source tells Yahoo Sports.
Hawes, 25, has an expiring contract and will be a free agent this summer.