Martyn Harris is a British professional wrestler better known by his ring name Martin Stone. Stone works in the British independent circuit with promotions such as Insane Championship Wrestling, Frontier Wrestling Alliance and International Pro Wrestling: United Kingdom. Between 2011 and 2014, he was signed with professional wrestling promotion WWE and worked in its developmental territory, WWE NXT, under the ring name Danny Burch. In 2014 Harris, under his Martin Stone name, appeared on the second season of TNA British Boot Camp. On 16 February 2015 Harris competed at the TNA One Night Only: Gut Check, where he defeated Jessie Godderz to qualify for the final match later that night. He then competed in a five-way elimination match where the winner of that match would earn an appearance on the next episode of Impact Wrestling, though he was unsuccessful as the match was won by Tevita Fifita.

Return to WWE (2015–present)

On 16 July 2015, though not re-signed to WWE, Stone made an appearance on an NXT television taping, where he lost to Kevin Owens. He made a second appearance on the 13 August 2015 taping of NXT, where he lost to Apollo Crews. He made a third appearance on 16 September, where he was referred to as his old NXT name Danny Burch, losing to Tye Dillinger. He made a fourth appearance on the 21 October 2015 taping of NXT, where he lost to James Storm. Burch made a further appearance on NXT on 13 January 2016 in a losing effort against Tommaso Ciampa. He again faced Ciampa and Johnny Gargano, teaming up with Rob Ryzin on the 18 May taping of NXT, losing again. On 14 September 2016, during the Cruiserweight Classic Finale he teamed up with Sean Maluta and lost to The Bollywood Boyz, Gurv Sihra and Harv Sihra, in a dark match. On 6 January 2017 it was announced by WWE that Burch will be a participant in the 16 man WWE United Kingdom Championship Tournament. Burch was eliminated in the first round by Jordan Devlin.[10] On the 19 April episode of NXT, Burch appeared in a losing effort to Andrade "Cien" Almas. He would then appear in NXT as part of the UK division this time losing to the WWE United Kingdom Champion Pete Dunne.

From August, Burch would begin a feud with Oney Lorcan, after the two traded victories, they would go on to form a tag team and would feud with Riddick Moss and Tino Sabbatelli. In early 2018 they would take part in the Dusty Rhodes Tag Team Classic, but were eliminated in the first round.On 29 April 2018, Burch signed a full-time contract with WWE again.Burch and Lorcan would go on to face the Undisputed Era at NXT Takeover: Chicago in a losing effort.