Which organization is this American professional wrestler and former professional mixed martial artist, professional American football player and amateur wrestler born in 1977, who defended his Ultimate Fighting Championship twice, signed with?
Stipe Miocic: Stipe Miocic ( ; born August 19, 1982) is an American professional mixed martial artist currently competing in the Ultimate Fighting Championship (UFC). Stipe Miocic:  Miocic has defended the belt twice, and by doing so has tied the record for most successful title defenses held with Randy Couture, Tim Sylvia, Brock Lesnar, and Cain Velasquez. Brock Lesnar: Brock Edward Lesnar ( ; born July 12, 1977) is an American professional wrestler and former professional mixed martial artist, professional American football player and amateur wrestler who is currently signed with WWE.
WWE