By Justin Barrasso Chandler raises the stakes on a stacked pay-per-view card with his next opponent already in mind before taking on Tony Ferguson. An explosive fight weekend has arrived. UFC 274 is the centerpiece, but Friday also includes Bellator 280 and a PFL card with matchups featuring Kayla Harrison and Anthony Pettis. Harrison is on a mission to become the best in the world, though Friday’s bout against an unknown in Marina Mokhnatkina will not help her achieve any further notoriety. Pettis remains an exciting fighter to watch, and he should made fairly quick work of Myles Price. Bella…