[2] On December 8, 2018 (which was taped on November 8 at Fightland), Romero made his debut for Major League Wrestling (MLW) on Fusion, defeating Marko Stunt.
[13] On the March 9 episode of Fusion, he faced off against Gotch again, winning via disqualification after his Contra Unit (Jacob Fatu and Josef Samael) attacked him.
[19] At Bound for Glory, Romero made his televised Impact in-ring debut in the five-way ladder match for the X Division Championship, which was won by Ace Austin.
[35] On the August 11 episode of Impact!, Romero took on Larry D, who was under a love spell by Rosemary, in order to get him back to normal, but was defeated after a knockout punch.
[36][37] On the September 1 episode of Impact!, XXXL continued their feud with The Deaners by brawling all around the house, ending with Susie confronting Cousin Jake for breaking the truce between the two teams and "winning" the match.
Romero and the rest of the Wrestle House cast returned to the Impact Zone during Knockouts Champion Deonna Purrazzo's Black Tie Affair.
[46] On January 16, 2021, at Hard to Kill, Romero was searching for evidence on Larry D being framed for shooting John E. Bravo at his wedding, leading to the both of them going to Tommy Dreamer on the January 19 episode of Impact!, and arresting Taya Valkyrie for using ring rust cologne to change Larry D to "Lawrence D" and providing him with the gun used to kill Bravo.
[49][50] They would lose a non-title bout against Impact World Tag Team Champions The Good Brothers (Doc Gallows and Karl Anderson) on the February 23 episode of Impact!, and an eight-man tag team match with Reno Scum against The Good Brothers and New Japan Pro-Wrestling's FinJuice (David Finlay and Juice Robinson) the following week.
[51][52] On the May 13 episode of Impact!, Romero fought in a six-way match to determine the number one contender for the X Division Championship, which was won by NJPW talent El Phantasmo.
[57] On March 25, 2023, at Reasonable Doubt, Romero lost the title to BEEF in a three-way match that also involved Rip Byson, ending his reign at 182 days.