Tommy Morrison, the former heavyweight champion who stood toe-to-toe with Lennox Lewis and George Foreman and later tested positive for HIV, died Monday. He was 44... He was a prodigious puncher whose bid to fight in the 1988 Seoul Olympics ended at the hands of Ray Mercer, who later dealt Morrison his first professional loss. He had a starring role in "Rocky V" alongside Sylvester Stallone. And perhaps most memorably, Morrison tested positive for HIV when the virus still carried a significant stigma, only to declare later the test was false...