Ahead of the show taking place later today, another participant has been confirmed for All In’s Over Budget Battle Royale.

It was announced last night that Austin Gunn will be joining his father in the match. Austin is the son of Billy Gunn and has begun a career in professional wrestling.

The battle royal was announced as having 15 participants and is for an ROH World Championship shot against Jay Lethal later in the night. Moose, Rocky Romero, Colt Cabana, Jordynne Grace, Ethan Page, Brian Cage, Billy Gunn, Jimmy Jacobs, Marko Stunt, Brandon Cutler, Punishment Martinez, and Austin Gunn are the 12 battle royal entrants that have been revealed.

All In: Zero Hour will air exclusively on WGN America at 6 p.m. Eastern time, with the battle royal and The Briscoes vs. Frankie Kazarian & Scorpio Sky airing on that portion of the broadcast. The four-hour main card will then air live via pay-per-view, Fite TV, and HonorClub.

Here’s the updated card for All In:

The Young Bucks & Kota Ibushi vs. Rey Mysterio, Fenix & Bandido
Kenny Omega vs. Pentagon Jr.
NWA Worlds Heavyweight Champion Nick Aldis defending against Cody Rhodes
Kazuchika Okada vs. Marty Scurll
ROH World Champion Jay Lethal defending against the winner of the Over Budget Battle Royale
Madison Rayne vs. Tessa Blanchard vs. Britt Baker vs. Chelsea Green
Hangman Page vs. Joey Janela (Chicago Street Fight)
“Arrow” star Stephen Amell vs. Christopher Daniels
Over Budget Battle Royale for an ROH World Championship shot against Jay Lethal later in the night (All In: Zero Hour)
The Briscoes vs. Frankie Kazarian & Scorpio Sky (All In: Zero Hour)