The Houston Rockets have lost 15 straight games since their Oct. 22 victory over the Oklahoma City Thunder. Even for a franchise clearly trying to rebuild, such a drought can erode morale and optimism among players and team staffers. Now, multiple sources with knowledge of the situation have indicated to B/R that Rockets brass are weighing the future of Stephen Silas, who may become the league’s next coach to be terminated, following Luke Walton’s exit in Sacramento last weekend.