Former lightweight champion  Islam Makhachev vacated his 155-pound championship to move up to the welterweight division and challenge  Jack Della Maddalena . For his legacy, Makhachev was chasing double-champ status.  The welterweight title fight headlined Saturday’s UFC 322 fight card at Madison Square Garden in New York. The Dagestani dominated Della Maddalena to join the exclusive club of fighters who have achieved championships in two UFC divisions