Devitt teamed with Ryusuke Taguchi as Apollo 55 (pronounced “Apollo Go Go”) and on 5 July 2009, they defeated The Motor City Machine Guns (Alex Shelley and Chris Sabin) to win the IWGP Junior Heavyweight Tag Team Championship. On 30 May, Devitt entered the 2009 Best of the Super Juniors tournament. After winning his block in the round-robin stage of the tournament, Devitt advanced to the semifinals, where he defeated Kota Ibushi. In the end, Devitt was defeated in the finals of the tournament by Koji Kanemoto. In December, Devitt entered the 2009 Super J Cup. After winning his bracket Devitt was once again defeated in the finals of the tournament. On 4 January 2010, at Wrestle Kingdom IV in Tokyo Dome, Devitt and Taguchi successfully defended the IWGP Junior Heavyweight Tag Team Championship. On 21 April, Devitt and Taguchi were stripped of the title, after not defending them for 30 days. On 8 May, the two entered the Super J Tag Tournament in an attempt to regain the championship, to which they didn’t succeed.