Humphries, 31, was part of the trade that sent Markieff Morris to Washington on Feb. 18. Phoenix also acquired DeJuan Blair and a first-round pick in the deal.
Humpries played four games with the Suns before being waived. In 32 games this season with Phoenix and Washington, Humphries is averaging 6.5 points and 4.6 rebounds in 16.9 minutes.
The Hawks are 32–27, in fifth place in the Eastern Conference.
- Dan Gartland