Guido Vianello fights Stephen Shaw in the co-main event Top Rank is officially set to kick off its 2023 campaign with a surprisingly solid heavyweight doubleheader at Verona, NY’s Turning Stone Resort Casino. The main event pits Efe Ajagba against Oscar Rivas, while undefeated Guido Vianello and Stephen Shaw square off in the co-feature. Ajagba (16-1, 13 KO) fell short in an October 2021 clash of prospects with Frank Sanchez on the Fury-Wilder III undercard, which saw the former Nigerian Olympian thoroughly defused and dropped in the seventh by his faster, more seasoned opponent. He smashed Jozsef Darmos in a…