Ricky Hatton -- "The Hitman" -- has died just weeks after announcing a surprise return to the ring.
Greater Manchester Police confirmed the legendary fighter was found dead at his home in England early Sunday morning, adding his death is not being treated as suspicious.
Tributes flooded in for Hatton, one of Britain's most beloved boxing icons. Former champ Amir Khan wrote, "Today we lost not only one of Britain's greatest boxers, but a friend, a mentor, a warrior."
Olympic boxer Anthony Fowler shared, "Feel sick.