"We officially got the real ball rolling," the Oscar-winning actor said of his long-planned movie about the ex-boxing champ.
The retired boxing legend, who has not met the Floyd family, will handle costs for the funeral as well as other expenses, a representative said.
The former boxing champ's big moment at a televised pro wrestling match hit a snag.
The tennis champ let her fists fly in a cross-training workout with the former heavyweight champ.
Day is at least the third pro fighter to die from head injuries this year.
The fighter was in "extremely critical condition," his manager said.
The 28-year-old leaves behind a wife and son.
The actor-artist used "rope-a-dope" tactics with his new cartoon.
The international boxing association approved new uniforms that highlight its "commitment to gender equity and religious tolerance."
The boxer was a five-time national amateur champion before his transition.