[14] In September 2007, Nicholls defeated champion Karl Anderson and Ryan Taylor in a 30-minute Iron Man match for the Empire Wrestling Federation American Championship.

[16][17] On 23 February 2011, Nicholls made his debut in Pro Wrestling Noah as he had a try-out match against his teammate Shane Haste.

[19][20] On 7 July 2013, Haste and Nicholls, known together as The Mighty Don't Kneel (TMDK), won the GHC Tag Team Championship after they defeated Toru Yano and Takashi Iizuka.

[32] On 11 February 2016, Noah announced that Nicholls and Haste would return to the promotion the following month to take part in a five-show-long farewell tour, entitled "Departure to the World".

[36][37] At the ROH Showdown in the Sun iPPV in March 2012, the Briscoe Brothers defeated Nicholls and Haste in a Proving Ground match.

[41] On 20 December 2014, Nicholls and Haste made their debut for New Japan Pro-Wrestling (NJPW), when they, along with Naomichi Marufuji, were revealed as Toru Yano's tag team partners at Wrestle Kingdom 9 on 4 January 2015.

[42] At the event, the four defeated Suzuki-gun (Davey Boy Smith Jr., Lance Archer, Shelton X Benjamin and Takashi Iizuka) in an eight-man tag team match.

[46] On 19 November, at NXT TakeOver: Toronto, TM-61 lost in the finals of the Dusty Rhodes Tag Team Classic to the Authors of Pain.

[56] On the Road To Wrestling Dontaku tour, Nicholls often partnered Hirooki Goto or Toru Yano in multi-man matches involving Bullet Club.

[58] On the Kizuna Road tour, Nicholls kept teaming with Robinson, as well as with his Chaos stablemates, continuing their feud with Bullet Club.

[59] Towards the end, Nicholls challenged the Guerrillas of Destiny (Tama Tonga and Tanga Loa) for the IWGP Tag Team Championship,[60] and he and Robinson defeated G.O.D.

[62] On night two, Nicholls teamed with Yano and Robinson, as they defeated the Bullet Club trio of Tonga, Loa and Gino Gambino; this marked the last time he would be alongside other Chaos stablemates.

[66] Nicholls and Cobb finished the tournament in ninth place with sixteen points, ten behind Robinson and David Finlay.

[68] Haste and Nicholls then entered a tournament to become the inaugural Strong Openweight Tag Team Champions, but were defeated in the semi-final to the pairing of Christopher Daniels and Yuya Uemura.

[72] Later in the show, Nicholls and Haste approached Zack Sabre Jr., who had just won the NJPW World Television Championship, and offered him a TMDK shirt, which he accepted, officially joining the stable.

caused Nicholls and Haste to be in contention for the IWGP Tag Team Championship, held by Bishamon (Hirooki Goto and Yoshi-Hashi).