He made his debut in Ring of Honor (ROH) on March 30, 2002, in a match against Chris Marvel. He began a lengthy feud with Michael Shane during a tag team match for ROH contracts on July 27, 2002. During the bout, both Shane and London made simultaneous pinfalls on their opponent's partners. The referee only counted for Shane, giving his team the victory, which led to London and Shane brawling. The two continued to feud over the next several months in matches such as Street Fights (where the crowd chanted "please don't die" due to London's high risk offense), a Triple Threat match and a Gauntlet match.