Rio Grande Valley Vipers roster begins taking shape

MIAMI - The roster for the Rio Grande Valley Vipers, the Rockets’ G League affiliate, began taking shape on Friday with the Rockets signing free agent Matur Maker a day after they waived Michael Frazier and Jaron Blossomgame.

Maker, the younger brother of Pistons forward Thon Maker and older brother of top prospect Makur Maker, will be waived on Saturday along with Ray Spalding, who was claimed off waivers last week.

Both were added to the Rockets roster to secure their G League rights and assign them to the Vipers if they again go unsigned by another NBA team. The Rockets claimed Spalding, who has been out with a strained calf, on waivers after he was released by the Atlanta Hawks.

The…