Brock Lesnar won a fight.
Brock Lesnar . He was also the 2002 King of the Ring and the 2003 Royal Rumble winner , making him the youngest King of the Ring and Royal Rumble winner as well . Lesnar lost in his UFC debut against Frank Mir and then won his second fight against Heath Herring . Lesnar is a five-time world champion in WWE , a one-time heavyweight champion in the UFC , a one-time heavyweight champion in NJPW , and a one-time heavyweight wrestling champion in the NCAA , the only person in history to win a championship in each of those organizations . Royal Rumble (2003) . Brock Lesnar , the twenty-ninth entrant , won the match by last eliminating The Undertaker , the thirtieth entrant .