Watson was waived by the Thunder on Thursday, Joe Mussatto of The Oklahoman reports.
Watson put up 15 points (6-11 FG, 3-7 3Pt), four rebounds, one assist, a block and a steal across 28 minutes in Friday's 114-112 victory over the Salt Lake City Stars.
Watson recorded two points (1-8 FG, 0-4 3Pt, 0-1 FT), nine rebounds and two assists across 25 minutes in Monday's 117-94 loss to the Texas Legends.
Watson will come off the bench Sunday against the Mavericks, Rylan Stiles of BricktownBuckets.com reports.
Watson accumulated 11 points (5-9 FG, 1-5 3Pt), six rebounds and two assists over 37 minutes during Wednesday's 115-97 loss to the Suns.
Watson will start Tuesday's game against the Kings, Brandon Rahbar of DailyThunder.com reports.
Watson finished with four points (1-8 FG, 1-6 3Pt, 1-2 FT), three rebounds, two assists and one block over 32 minutes during Thursday's 152-79 loss to the Grizzlies.
Watson tallied 18 points (7-12 FG, 1-5 3 Pt, 2-2 FT), six rebounds, an assist and a block across 31 minutes in Sunday's 119-107 defeat against the South Bay Lakers.
Watson tallied 12 points (5-13 FG, 2-6 3Pt), seven rebounds and two steals across 28 minutes in Thursday's 108-100 victory against the Agua Caliente Clippers.
Watson put up 10 points (4-15 FG, 2-9 3Pt), seven rebounds and two assists across 32 minutes in Sunday's 85-71 victory against the Santa Cruz Warriors. He also had a block and two steals in the game.