When it comes to the best battling the best, the last week has been a mixed blessing. We are only a few days away from Josh Taylor's outstanding win against José Ramirez , a match between one guy who had two of the major world championships at junior welterweight and another who had the other two. Taylor won all four titles and was crowned the undisputed 140-pound champion. We're also coming off the dizzying news that Tyson Fury and Anthony Joshua had finally reached an agreement for a massive bout that would establish an undisputed heavyweight champion — only for that match to fall through. An arbitrator concluded that Fury must uphold his previous deal to face Deontay Wilder a third time. So, right before Taylor-match Ramirez's on ESPN on Saturday, Fury inked a deal to meet Wilder again in front of the TV cameras. Then there's the welterweight class. Errol Spence has two world championships and is regarded as the finest fighter at 147 pounds and one of the top fighter...