At , O'Reilly and Strong defeated Oney Lorcan and Danny Burch to retain the titles. On the June 19 tapings for the second annual United Kingdom Championship Tournament, O'Reilly and Strong lost the titles to Moustache Mountain (Tyler Bate and Trent Seven), but won them back two days later. At , O'Reilly and Strong defeated Moustache Mountain to retain the titles. After the match, The War Raiders (Hanson and Rowe) attacked Strong and O’Reilly. On the November 14 episode of "NXT", O'Reilly defeated Hanson, meaning Undisputed ERA would have an advantage in numbers in the WarGames match at . at the event, The Undisputed Era lost to Pete Dunne, Ricochet, and War Raiders (Hanson and Rowe). at , O'Reilly and Strong lost the titles to The War Raiders. At , O'Reilly and Fish faced The Street Profits (Angelo Dawkins and Montez Ford), The Forgotten Sons (Wesley Blake and Steve Cutler), and Oney Lorcan and Danny Burch in a fatal-4-way ladder match for the vacant NXT Tag Team Championships, but the match was won by Dawkins and Ford. Fish and O'Reilly later challenged The Street Profits for the titles at on August 10, but again failed to become the champions. Six days later on the August 16 tapings of "NXT", however, O'Reilly and Fish finally defeated The Street Profits for the NXT Tag Team Championship. O'Reilly and Fish would go on to hold the NXT Tag Team Titles for several months until they lost to them to the BroserWeights (Pete Dunne and Matt Riddle) at . Following this, O'Reilly stopped appearing with Undisputed Era on television and only appeared in pre-taped segments as he refrained to compete during the COVID-19 pandemic due to his diabetes disease. He made his in-ring return on the August 5th episode of NXT where he and Fish unsuccessfully challenged Marcel Barthel and Fabian Aichner of Imperium for the NXT Tag Team Titles.Began working as Kevin O'Reilly 31/08/2021