CBS Sports "McCallum signed a deal with the Pistons Monday, Paul Garcia of Project Spurs reports. McCallum, who went to college at Detroit, last played on a pair of 10-day contracts with the Grizzlies in 2015-16 where he averaged 6.9 points, 2.7 assists and 1.6 rebounds over 22 minutes per game." July 25
Yahoo! Sports "Free-agent guard Ray McCallum is traveling Friday morning to Memphis and will likely sign a deal with the Grizzlies, league sources told The Vertical. In the wake of guard Mario Chalmers' season-ending injury and subsequent release, the Grizzlies are looking to bolster their guard depth,..." March 11
Before the Spurs officially waive Ray McCallum, Andre Miller still has to pass a physical, sources said.
Yahoo! Sports "Free-agent guard Andre Miller has reached an agreement to sign with the San Antonio Spurs for the remainder of the season, league sources told The Vertical. Miller cleared waivers on Saturday after reaching a contract buyout with the Minnesota Timberwolves. Once Miller passes his physical,..." February 28