Free agent Grant Jerrett has reached agreement on a multi-year contract to re-sign with the Oklahoma City Thunder, a league source told RealGM.

Jerrett, a 6-foot-10 forward, played for the Thunder’s D-League team – the Tulsa 66ers – last season and had been a development priority for the organization. The Thunder declined the 2014-15 team option on Jerrett, opting to make him a restricted free agent. Both sides came to terms on Monday afternoon.

Jerrett averaged 15.3 points and 6.1 rebounds in 27 games for Tulsa. An ankle injury in early July prevented him from playing in the NBA Summer League.

After one season at the University of Arizona, Jerrett, 21, declared into the NBA Draft and went to the Portland Trail Blazers with the 40th overall selection.