During his time as an in-ring performer in the company, he wrestled in NXT UK and on the independent circuit under his real name, stylized as Eddie Dennis.
ring with Mark Andrews, Pete Dunne and Flash Morgan Webster, who would all join NXT UK.
[citation needed] Eddie Dennis made his RevPro debut in 2014, on 10 May, where he teamed with Mark Andrews and Pete Dunne against Josh Bodom, Sha Samuels and Terry Frazier in a 6-person tag match.
At Chapter Seven: Every Saint Has A Past, Every Sinner Has A Future, Dennis would defeat Darrell Allen, Joey Lakeside and Xander Cooper in a four-way elimination match.
[32] At Chapter Eleven: To Fight War, You Must Become War, Eddie Dennis and Mark Andrews defeated Paul Robinson and Will Ospreay[33] Dennis won his first championship on 30 March 2014, during Chapter Twelve: We're Gonna Need A Bigger Room.
[35] At Chapter 14: Thunderbastard, FSU (Mark Andrews and Eddie Dennis) would successfully defend their tag team championships against The London Riots (James Davis and Rob Lynch).
[37] They would retain the tag titles over the course of the year, successfully defending them on 30 November, at Chapter 16, defeating team Screw Indy Wrestling (Martin Stone & Sha Samuels).
In later matches during the course of his time in Progress Wrestling, Dennis would wrestle with individuals all of whom would become future WWE NXT UK roster members including Zack Gibson, Mark Andrews, "Wild Boar" Mike Hitchman, El Ligero, Dave Mastiff, Nixon Newell and others.
Dennis made his televised debut during the 7 November 2018 episode NXT UK, during which he defeated Sid Scala.
[39] His final match of the year was during the 26 December episode of NXT UK, defeating Dan Moloney by disqualification.
[40] Dennis returned the following year on the 2 January 2019 episode of NXT UK, during which his match against Dave Mastiff ended in double-disqualification.
[43] The way he won the match at Takeover caused a rematch between the two in a Steel Corners Street Fight on 6 February, where Seven defeated Dennis.
[45] However, on 3 May 2023, less than two months after retiring from in-ring competition, Dennis was signed again by WWE as a writer and producer for the US-based NXT brand.
Inspired by the "Defend Pop Punk" message propagated by American band Man Overboard, Dennis created the brand in 2011 with fellow British wrestlers Pete Dunne and Mark Andrews, producing t-shirts, hoodies and other accessories.