Washington amassed 11 points (4-10 FG, 1-3 3Pt, 2-2 FT), four rebounds, three assists and one steal over 26 minutes during Wednesday's 119-111 loss to the Rockets.
Washington was a healthy scratch Friday against the Jazz.
Washington was inactive for Wednesday's 140-109 loss to the Thunder due to an illness.
Washington notched 24 points (8-19 FG, 3-9 3Pt, 3-3 FT), six rebounds, six assists and three steals across 34 minutes in the Valley Suns' 106-100 G League win over the South Bay Lakers on Thursday.
Washington agreed to a two-way contract with the Suns on Friday, Adrian Wojnarowski of ESPN reports.
Washington recorded 24 points (10-15 FG, 0-2 3Pt, 2-2 FT), eight rebounds and six assists during 32 minutes of Friday's 109-106 loss to the Cruise.
Washington was waived by the Thunder on Friday, Marc J. Spears of ESPN.com reports.
The Hawks traded Washington, Usman Garuba, Rudy Gay and a second-round pick to the Thunder in exchange for Patty Mills on Saturday, Adrian Wojnarowski of ESPN reports.
The Rockets traded Washington, Usman Garuba, two second-round picks and $1.1 million in cash to the Hawks in exchange for the draft rights to Alpha Kaba on Saturday, Lauren L. Williams of The Atlanta Journal-Constitution reports.
Houston recalled Washington from the G League's Rio Grande Valley Vipers on Monday, Jonathan Feigen of the Houston Chronicle reports.