In 2016, Nicholls and Veryzer signed with WWE and were assigned to its developmental branch NXT, where they were renamed Nick Miller and Shane Thorne, while their tag team was renamed TM-61.
In June 2015, Nicholls and Haste took part in a WWE tryout camp. In February 2016, it was reported that Nicholls and Haste were scheduled to join WWE's NXT brand following their Noah farewell tour.
On March 25, 2016, WWE confirmed the signings of both Nicholls and Haste. They began training at the WWE Performance Center in April, while working for the promotion's developmental branch NXT. During the May 19 NXT tapings, Haste and Nicholls were renamed Shane Thorne and Nick Miller, respectively, while TMDK was renamed TM-61. They debuted on the May 25 episode, losing to Johnny Gargano and Tommaso Ciampa.