At FIP Everything Burns 2018, Theory retained the FIP World Heavyweight championship against Martin Stone.[20] At Evolve 100, Zack Sabre Jr. defended his Evolve Championship against Theory in which Theory lost.[21] At Evolve 103, Theory defeated Keith Lee to become the WWN Champion for his first time, ending Lee's 175 day reign.[22][23][24] At Evolve 106, Theory lost the WWN title to Joey Janela.[25] At Evolve 117, Theory defeated Fabian Aichner and Roderick Strong to win the Evolve Championship for his first reign.[26]