[6] He also appeared on an episode of Sex Sent Me to the ER, later admitting in an interview with Chris Van Vliet that the story was fabricated, as he needed the money.

[15] Allin made his Full Impact Pro debut in early 2017 at FIP Everything Burns, losing a Fight For All match.

[24] The following day at WWN Supershow Mercury Rising, he teamed with his wife Priscilla Kelly, where they were defeated by Austin Theory and Brandi Lauren.

His next feud would be against John Hennigan & Shane Strickland at Never say Never, alongside Jimmy Havoc which lead to a victory against the latter, with Darby hitting Henningan with a Coffin Drop strapped to a chair from the top of the balcony.

On June 3, 2018, Allin made his Lucha Libre AAA Worldwide debut at Verano de Escándalo in a six-way match which was won by Aero Star.

He made his debut for the promotion at Chapter 66: Mardi Graps, held in Louisiana, in a Thuderbastard match which was won by Jeff Cobb.

[33] The following month at Fight for the Fallen, Allin teamed with Joey Janela and Jimmy Havoc in a losing effort to Shawn Spears, MJF and Sammy Guevara.

[38] At Bash at the Beach on January 15, 2020, Allin competed in a four-man tournament for number one contendership to the AEW World Championship, but lost in the first round to Pac.

[49] On August 29, a 30-second black-and-white segment of Allin doing a promo walking down a forest road with thumbtacks in his back, and then proceeding to climb up to the top of a bridge and jump off it into a river.

On the November 18, 2020 episode of Dynamite, Will Hobbs turned heel after assisting Taz, Brian Cage and Ricky Starks in attacking both Allin and Rhodes.

[54] On the January 13, 2021 special New Year's Smash Night 2, Allin made his first successful title defense against Brian Cage.

[55] On January 21, it was announced that Allin and Sting would be taking on Team Taz's Ricky Starks and Brian Cage in a street fight at Revolution.

[58] On March 17, Allin issued an open challenge to the Dark Order as a tribute to the late "greatest TNT Champion of all time" Brodie Lee, which was responded by John Silver.

[59][60] He made further successful defenses of the TNT Championship against JD Drake on the April 7 episode of Dynamite[61] and against The Butcher at AEW's first non-televised event two days later,[62] while also starting a feud with Matt Hardy.

On April 28, Allin successfully defended the title against Dark Order's 10, before being attacked by Scorpio Sky and Ethan Page.

At Revolution 2022, Allin would win a Tornado tag team match with Sammy Guevara and Sting over Andrade El Idolo, Matt Hardy, and Isiah Kassidy.

On the January 4, 2023 episode of Dynamite in his home town of Seattle, Washington, Allin defeated Samoa Joe to win the TNT Championship for the second time.

[69] At All In on August 27, an event held in London's Wembley Stadium, Allin and Sting defeated Swerve Strickland and Christian Cage in a tag team coffin match.

[70] On the February 7, 2024, episode of Dynamite, Allin and Sting defeated Ricky Starks and Big Bill to win the AEW World Tag Team Championship.

After the main event, Allin, along with Wheeler Yuta, came to the aid of Bryan Danielson from an attack by the Blackpool Combat Club.

[83] On the December 27 episode of Rampage, Allin was attacked by the Death Riders (formerly known as the Blackpool Combat Club) and thrown down a flight of stairs.

[88] In the early 2020s, Ratsch developed an interest in mountaineering and announced to the public that he would attempt to climb Mount Everest in March 2024.

[92][93] On November 21, 2018, Ratsch married fellow wrestler Priscilla Kelly, who currently wrestles for WWE as part of the NXT roster under the name Gigi Dolin.

[95] In December 2020, Kelly confirmed during an appearance on Vickie Guerrero's Excuse Me podcast that they were no longer married, but remain friends.