At the height of his storied professional career, Mike Tyson proved himself to be the most formidable fighter on the planet.

Tyson started his career with 19 consecutive knockouts. He bolted to a 37-0 (33 KOs) record before suffering his first loss at the hands of Buster Douglas on Feb. 11, 1990.

In honor of Mike Tyson's 50th birthday, ESPN's Dan Rafael ranks the 10 most memorable knockouts by the former "Baddest Man on the Planet." ...

In Tyson’s first bout since emerging from prison, the boxer sent Peter McNeeley crashing to the mat at the MGM Grand in Las Vegas, defeating McNeeley by knockout 1:29 into the first round.

Iron Mike, long before a spell in prison sent his career and life into a tailspin, was considered a knockout machine. He had a 37-0 record -- decking opponents 33 times.

Mike Tyson is widely regarded as one of the greatest heavyweight boxers of all time, with 44 of his 50 career wins coming by way of knockout thanks to his ferocious punching power - he has ...

In his first professional fight in 1985, it took the 18-year-old Mike Tyson just two minutes to pummel his opponent, Hector Mercedes, to a kneeling position in the ring, obliging the referee to ...