Brock Edward Lesnar (born July 12, 1977) is an American mixed martial artist as well as a former professional and amateur wrestler. He is currently the UFC Heavyweight Champion. He is currently ranked the #2 Heavyweight in the world.

Lesnar won the 2000 NCAA heavyweight wrestling championship and placing second in 1999.

Lesnar started a career in mixed martial arts and had his first fight in June 2007. He then signed with the Ultimate Fighting Championship (UFC) in October 2007. Upon signing with the organization he had an unsuccessful debut against Frank Mir, but has since remained undefeated, capturing the UFC Heavyweight Championship from Randy Couture on November 15, 2008 and avenging his earlier loss to Mir by way of a second round TKO at UFC 100.