he debuted in their developmental territory, Florida Championship Wrestling (FCW) in January 2010. Under the name Mason Ryan, he competed against wrestlers including Johnny Curtis, Tyler Reks, Johnny Prime, and Hunico in his first matches. On 22 July, Ryan won a triple threat match against defending champion Alex Riley and Johnny Curtis by pinning Riley to win the FCW Florida Heavyweight Championship for the first time. Over the next few months, Ryan successfully defended the championship against wrestlers including Bo Rotundo, Richie Steamboat, and Eli Cottonwood. At the tapings of FCW television on 2 September, Ryan successfully defended the championship against Johnny Curtis when FCW commentator Byron Saxton interfered and aided him. The following week, Saxton became aligned with Ryan, accompanying him to the ring and acting as his manager. In November 2010, Ryan toured Europe with the SmackDown brand, defeating Chavo Guerrero in Belfast on 4 November and again in Liverpool on 6 November. On 3 February 2011, Ryan lost the Florida Heavyweight Championship to Bo Rotundo, ending a six-and-a-half month reign. Raw (2011) Griffiths, as Mason Ryan, made his WWE television debut on 17 January 2011 episode of Raw by interfering in a match between CM Punk and John Cena. Following his interference, Punk presented him with a 'Nexus' armband, inducting him into the group. Ryan then participated in the 2011 Royal Rumble match. On 7 February 2011, he had his debut match on Raw, losing to R-Truth via disqualification. In late February, it was announced that Punk would face Randy Orton at WrestleMania XXVII, with each member of The Nexus facing Orton to win the right to accompany Punk to the ring in the weeks leading up to WrestleMania. Ryan was the final member to face Orton, but lost on 14 March episode of Raw. Following the match, Orton punted Ryan in the head. He was absent from television for nearly a month, making his return on 11 April on Raw with the other New Nexus members, attacking Orton and preventing him from earning a WWE Championship match. On 2 May, Ryan lost to Kane by disqualification following interference from Punk, and went on to attack both Kane and Big Show. At the Over the Limit pay-per-view on 22 May, Ryan and Punk challenged Big Show and Kane for the WWE Tag Team Championship, but were unsuccessful. The following month, Ryan suffered an injury and was absent