Merab Dvalishvili argues that Deiveson Figueiredo is a more worthy No. 1 contender than Umar Nurmagomedov. Dvalishvili (17-4 MMA, 10-2 UFC) challenges bantamweight champion Sean O'Malley (17-1 MMA, 10-1 UFC) in the UFC 306 main event Sept. 14 at Sphere in…