Duren and the Pistons have seemingly not made any progress on a long-term extension, with Tim MacMahon of ESPN reporting that negotiations have been "nasty."
Phillips signed a training camp contract with the Rockets on Friday, Paul Garcia of The Spot Up Shot reports.
Tshiebwe agreed to a contract with the Rockets on Friday.
Tate agreed to a one-year, $3.07 million contract with the Rockets on Thursday, Michael Scotto of HoopsHype.com reports.
The Rockets signed Tate to a contract Thursday, per Adam Spolane of Sports Radio 610 Houston.
Thornton recorded eight points (2-12 FG, 2-7 3Pt, 1-1 FT), eight rebounds, seven assists and one steal over 31 minutes during Saturday's 101-90 Summer League loss to the Grizzlies.
Copeland finished Saturday's 101-90 Summer League loss to Memphis with 24 points (9-13 FG, 2-4 3Pt, 2-2 FT), three assists, two rebounds and two steals over 27 minutes.
Okorie posted 27 points (8-19 FG, 1-5 3Pt, 5-5 FT), four rebounds, three assists and one steal over 28 minutes during the Pistons' 101-87 Summer League loss to the Heat on Friday.
Williams finished Friday's 101-87 Summer League loss to Miami with 15 points (5-8 FG, 1-4 3Pt, 2-2 FT), five rebounds, one assist and one steal over 25 minutes.
Thornton tallied 23 points (7-13 FG, 2-4 3Pt, 3-5 FT), four rebounds, two assists and two steals in 33 minutes during Thursday's 100-83 Summer League victory over Brooklyn.
