Boston is bringing in forward Kaiser Gates, Shams Charania of The Athletic reports. Gates is expected to compete with Tacko Fall and Javonte Green for the team’s 15th roster spot. The Celtics have 14 guaranteed contracts on the books for the upcoming season, as our Roster Count page shows. The team’s two-way contracts are spoken […] The post Celtics Add Kaiser Gates To Training Camp Roster appeared first on SLAM.