Morrow signed a one-year, non-guaranteed contract with the Trail Blazers on Friday, Shams Charania of The Vertical reports.
Morrow finished with two points (1-7 FG, 0-3 3Pt), three assists and two rebounds across 21 minutes during Thursday's 102-90 victory over the 76ers.
Morrow will be in uniform but will not take the floor during Friday's game against the Suns, Nick Friedell of ESPN reports.
Morrow has been traded to the Bulls along with Cameron Payne and Joffrey Lauvergne in exchange for Taj Gibson, Doug McDermott and a 2018 second-round pick, K.C. Johnson of the Chicago Tribune reports.
Morrow logged 11 points (3-12 FG, 1-6 3Pt, 4-4 FT), two steals and one rebound across 30 minutes in a 108-94 loss to the Spurs on Tuesday.
Morrow (coach's decision) didn't see the floor in a 109-94 win over the Bulls on Monday.
Morrow started Saturday during a 114-101 victory over the Suns and scored 11 points (4-6 FG, 3-4 3Pt) and had two steals across 21 minutes.
Morrow will get the start at shooting guard Saturday against the Suns, Erik Horne of The Oklahoman reports.
Morrow finished with three points (1-4 FG, 0-2 3Pt, 1-2 FT) and two rebounds across 28 minutes in Wednesday's 109-89 loss to the Jazz.
Morrow poured in 15 points (5-8 FG, 4-6 3Pt, 1-1 FT) to go with two rebounds and one steal across 26 minutes in Monday's 102-99 win over the Hawks.