From WWE To UFC: Brock Lesnar's Incredible Journey

Brock Lesnar, one of wrestling's most dominant stars, has announced his retirement at 49. A former NCAA champion, 10-time WWE world champion and UFC heavyweight titleholder, Lesnar built a legacy across wrestling, MMA and football. From defeating The Rock and ending The Undertaker's WrestleMania streak to conquering the UFC, his career remains extraordinary.