cena was signed by then person in charge of talent relations, jim ross on behalf on wwf. according to ross, when he returned to connecticut after signing cena he walked into vince mcmahon's office and told him "i just signed your main event for wrestlemania in 5 years." cena would eventually make his wrestlemania debut 3 years later at wrestlemania xx winning the wwe united states championship from the big show, and his main event wrestlemania debut 4 years later winning the wwe championship, from john "bradshaw" layfield.