Takeshi Morishima
Sasaki debuted for Pro Wrestling Noah in 2005, losing to Kenta Kobashi at Destiny 2005. After losing the Triple Crown titles in 2008, he jumped to Pro Wrestling Noah and announced he would make it his full-time home promotion, while still operating the Kensuke Office. On September 6, 2008, he defeated Takeshi Morishima for the GHC Heavyweight Title, becoming the first person to hold the Heavyweight title in all three major Japanese promotions. On March 1, 2009, he lost the GHC Heavyweight title to Jun Akiyama. On September 21, 2009, he teamed with Morishima to win the GHC Tag Team titles from Akitoshi Saito and Bison Smith. They lost the titles on December 6, 2009, to Takeshi Rikio and Muhammad Yone.