Morant powers the Grizzlies to victory over the Bucks, the Rockets hold off the Mavs

Ja Morant of the Memphis Grizzlies drives against Milwaukee’s Ryan Rollins in the Grizzlies’ NBA win over the Bucks (Wes Hale) Ja Morant’s 12th career triple-double gave the Memphis Grizzlies a 122-99 NBA victory over the reeling Milwaukee Bucks on…