Oklahoma City general manager Sam Presti announced the move Monday. The 6-foot-9 White had played three games for Tulsa, averaging 17.3 points and 9.7 rebounds in 37.7 minutes per game.
The 22-year-old rookie has yet to appear in a game for the Thunder this season after undergoing jaw surgery in October. He was cleared by team doctors last Monday to resume full-contact drills.
The former Indiana star was the 29th overall pick by the Detroit Pistons in last year's NBA Draft. He was acquired by the Thunder in a draft-day trade.
The Thunder's ownership group also controls the 66ers and made the Tulsa team its D-League affiliate.
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