Jackson became a free agent after his 10-day contract with Minnesota expired Sunday, Keith Smith of Spotrac.com reports.

The Timberwolves signed Jackson to a 10-day contract Wednesday, Adrian Wojnarowski of ESPN reports.

Jackson, whom the Thunder acquired from the Celtics on Thursday, is expected to be waived, Ian Begley of SportsNet New York reports.

Jackson was traded to the Thunder along with two second-round picks in exchange for Mike Muscala on Thursday, Shams Charania of The Athletic reports.

Jackson ended Tuesday's 126-102 win over the Rockets with three points (1-1 FG, 1-1 3Pt) over three minutes.

Jackson did not play in Monday's 109-106 win at Memphis.

Jackson has earned the Celtic's final regular season roster spot, Adam Himmelsbach of The Boston Globe reports.

Jackson had 16 points (6-14 FG, 4-8 3Pt), four rebounds, an assist, a steal and a block across 23 minutes off the bench in Friday's 112-103 win over the Hornets.

Jackson signed a non-guaranteed training camp contract with the Celtics on Monday, Keith Smith of Spotrac.com reports.

Jackson was added to the Celtics' Summer League roster Monday, Gary Washburn of The Boston Globe reports.