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.
Johnson, the first black heavyweight champion, was arrested for driving his girlfriend across state lines.
The message on those boxing shorts is truly below the belt.
The 28-year-old woman's 10-year-old son was also killed in the disaster.
"When somebody be like, 'I got a Rolls Royce,' I be like 'me too.’"
"Hopefully all will heal well."
In August 2016, Douglas Mcgowan arrived at a modest brick house near central Nashville with a contract and the faint hope
Everyone has a story to tell.
“I use boxing you can use whatever."