The Celtics waived Harper on Thursday, Zack Cox of the Boston Herald reports.

The Celtics signed Harper (shoulder) to an Exhibit 10 contract Sunday, Jared Weiss of The Athletic reports.

The Raptors announced Friday that they waived Harper from his two-way contract, Ryan Wolstat of the Toronto Sun reports.

Harper (illness/shoulder) isn't listed on the injury report for Sunday's matchup against the Pistons, Blake Murphy of Sportsnet.ca reports.

Harper (shoulder) is available for Friday's preseason finale against Washington, Josh Lewenberg of TSN.ca reports.

Harper (shoulder) didn't play in Sunday's 112-99 preseason win over Sacramento.

The Raptors signed Harper (shoulder) to a two-way contract Thursday, Adrian Wojnarowski of ESPN reports.

Harper is out for Saturday's Summer League game against the Warriors due to a left shoulder sprain, Vivek Jacob of the Raptors' official site reports.

Harper logged 22 points (8-15 FG, 3-7 3Pt, 3-3 FT), eight rebounds, two assists, two blocks and one steal across 30 minutes during Raptors 905's 127-118 win Thursday against Iowa.

Harper racked up 24 points (8-13 FG, 4-9 3Pt, 2-2 FT), three rebounds, two assists and two blocks over 36 minutes Wednesday versus Mexico City.