The Houston Rockets have assigned second year center-forward Greg Smith to the Rio Grande Valley Vipers, the Rockets’ NBA Development League affiliate.  

Smith (6-10, 250, Fresno State), who was assigned to the Vipers twice during the 2011-12 season, has played in 44 games for Houston this season, averaging 5.5 points, 4.0 rebounds and 13.9 minutes.