By Jim Maltzman: David Haye isn’t sure yet whether WBO will transfer the mandatory status from Oleksandr Usyk to Dereck Chisora if Delboy beats him on Saturday night. Haye says he’s written to WBO president Paco Valcarcel, asking him to make Chisora (32-9, 23 KOs) the new mandatory to heavyweight champion Anthony Joshua if he […]