Gabriel became a free agent Monday after his 10-day contract with the Grizzlies expired, Keith Smith of Spotrac.com reports.

The Grizzlies agreed to a 10-day contract with Gabriel on Thursday, Michael Scotto of USA Today reports.

Gabriel was waived by the Celtics on Friday, Keith Smith of Spotrac.com reports.

Gabriel and Boston agreed to a training camp contract Sunday, Adrian Wojnarowski of ESPN reports.

Gabriel compiled six points (2-3 FG, 2-2 FT), eight rebounds, one assist and one block in 20 minutes in Sunday's 111-105 win over the Magic.

Gabriel logged six points (2-5 FG, 2-2 FT), 14 rebounds, two steals and one assist across 33 minutes during Wednesday's 114-110 loss to the Rockets.

Gabriel chipped in five points (2-7 FG, 1-2 FT) and 10 rebounds in 22 minutes during Wednesday's 123-117 victory over the Thunder.

Gabriel logged seven points (2-4 FG, 3-4 FT), seven rebounds and two assists over 13 minutes during Monday's 127-115 loss to the Trail Blazers.

Gabriel had 14 points (5-8 FG, 0-1 3Pt, 4-4 FT), nine rebounds, one assist, two blocks and one steal across 24 minutes before fouling out of Monday's 140-132 victory over Houston.

The Lakers have guaranteed Gabriel's contract for the remainder of the season, Adrian Wojnarowski of ESPN reports.