Nelson was scouted by wrestler Aaron Bolo to pursue professional wrestling after seeing Nelson at several local independent shows. He started his training at Tulalip Championship Wrestling in Marysville, Washington under the tutelage of Bolo, Ethan H. D., Mike Santiago, Kellen Raeth, Damon James, and Caden Mathews. He furthered his training by attending the Buddy Wayne Academy in Everett, Washington. In addition to TCW, Nelson would regally wrestle for Don't Own Anyone Pro Wrestling in Portland, Oregon and West Coast Wrestling Connection in Salem, Oregon.[1][6]
The "Greatest Show in the Ring" Jorel Nelson had his first match with Empire Wrestling Federation on March 12, 2016, against the "Mega King" Tommy Wilson.[11][12] During his first year, Nelson became a two-time EWF American Heavyweight Champion. His first reign begun after he defeated Anthony Idol at a private EWF event.[13] He would lose the title lose the title to Wilson in September before regaining it at another private event. His second title reign would come to an end when he was defeated by Idol at The Big Event on October 16, 2016.[12][14]
Nelson became EWF Tag Team Champions with Davion Foreman on December 1, 2017, after defeating H.A.T.E. (Che Cabrera and Rico Dynamite).[15] Nelson and Foreman would hold the titles until April 6, 2018, in a loss to Calder McColl and Dr. Kruger. The team parted ways with Nelson putting his focus now on singles competition.[16] Turning heel, Nelson targeted the EWF Heavyweight Champion, Andy Brown.[17] Nelson and Brown fight on July 6, 2018, to a No Contest.[18]
Frustrated by being cheated by "Friar" Juan Roman in their matches and teaming with Foreman in the tag team division, Nelson stole Brown title belt and renamed himself just The Greatest Show.[19] In their rematch on August 31, 2018, the Greatest Show would lose definitively to Brown for the Heavyweight Title.[20] Nelson would leave the promotion after his final match with Richie Slade at Jingle Slam 9 on December 12, 2018.[21]
Isaacs has participated on several All Elite Wrestling programs. He debuted as one half of the West Coast Wrecking Crew with Isaacs against the Varsity Blondes (Griff Garrison and Brian Pillman Jr.) on the March 10, 2021 edition of AEW Dark.[23] Nelson debuted for Ring of Honor on November 11, 2023, with Isaacs in a four-way tag team match against the WorkHorsemen (Anthony Henry & JD Drake) defeat the Infantry (Carlie Bravo & Shawn Dean) and Iron Savages (Boulder & Bronson) on Honor Club.