The boxing calendar is filling up quickly, with major fights already announced featuring some of the sport's biggest names, including Tyson Fury, David Benavidez, Deontay Wilder, Alycia Baumgardner and Oleksandr Usyk. But several other potential matchups rumored for this year remain in limbo. Will Devin Haney fight Ryan Garcia or Rolando "Rolly" Romero -- or both? Is the Floyd Mayweather vs. Mike Tyson exhibition still happening? And will Gervonta "Tank" Davis return to the ring amid his legal troubles to face Isaac "Pitbull" Cruz in a long-anticipated rematch? Andreas Hale answers these questions and more as he tries to bring clarity to some of the most intriguing storylines in boxing today. Since the announcement last September that Mayweather and Tyson were set to meet in an exhibition this year, details surrounding the event have been scarce.…