The Toronto Raptors are likely to part with assistant coaches Johnny Davis, Scott Roth and Tom Sterner, according to a report.
Dwyane Casey has yet to formally announce a change, but Popeye Jones and Nick Nurse are expected to join Casey on the Raptors bench next season.
An announcement is expected by Wednesday.
Brad Walker won his fourth U.S. pole vault title, clearing 18 feet, 7 1/4 inches at the Olympic track trials Thursday night for a spot on the U.S. team for the London Games.
Jeremy Scott was second at 18-4 1/.4, and Scott Roth third at the same height, but Roth does not have the Olympic ''A standard this season of 18-9 1/4 required to compete in the Olympics.
Washington's pole vault tradition added another impressive chapter today, as former Huskies Brad Walker and Scott Roth placed first and second at the USA Indoor Championships. Both earn Team USA spots for World Indoors.