Briefly threatened early, Jones and the Crimson Tide (2-0) flexed their considerable big-play muscle in the passing game to put away the Aggies (1-1).
Metchie and Jones hooked up for a 63-yarder in the fourth, giving the sophomore five catches for 181 yards.
Jones finished 19-of-26 passing for a second straight surgically precise performance marred by one interception off a deflection.
Smith, a converted receiver, emerged as another needed threat in the passing game.
Alabama: Any questions about production of the Tide's passing game after Tua Tagovailoa, Jerry Jeudy and Henry Ruggs III have been answered.