Tetsuya Naito
On June 18, Mitsuhide Hirasawa turned on Seigigun and its leader Yuji Nagata, renaming himself "Hideo Saito" and joining Chaos. From August 1 to August 14, Yano, Takahashi, Saito and Nakamura participated in the 2011 G1 Climax, which Nakamura won by defeating Tetsuya Naito on August 14 and earning another shot at the IWGP Heavyweight Championship. On September 19, Saito lost to Nagata in a grudge match, but attacked Nagata after the match. Later that night, Nakamura went on to challenge for the IWGP Heavyweight Championship, but failed to recapture the title from Hiroshi Tanahashi. On October 10 at Destruction '11, Richards and Romero defeated Prince Devitt and Ryusuke Taguchi to win the IWGP Junior Heavyweight Tag Team Championship for the first time. Later that night, Yano lost to Nagata in a rematch, but later attacked Tanahashi after he had successfully defended the IWGP Heavyweight Championship against Tetsuya Naito and then accepted Nagata as his next challenger, stealing his championship belt and renaming it the "YWGP Heavyweight Championship". Also later that night, Tanaka defeated MVP to win the IWGP Intercontinental Championship.