Independent wrestler Jeff Cannonball (Jeff Guerriero) died at the age of 39. In early 2025, he announced that he had been diagnosed with ALS. His wife Terra Callaway (Sam Guerriero) announced on social media that Guerriero died at 2 a.m. Thursday.
She posted a photo of Guerriero with their son Milo. Sam wrote that her husband hadn’t even spent an hour watching his favorite movie, “Dirty Work.”
“Jeff Guerrero, the funniest, wittiest, most charismatic man I’ve ever had the privilege of knowing, let alone marrying, spending 10 years with, and creating a baby clone of our son Milo, has passed away after a battle with ALS. His impact on family, friends, community and the world is endless. Sam wrote:
She went on to say that she will mourn Jeff for the rest of her life while raising their son to be someone she would be proud of. Sam decided that ten years wasn’t enough time and he would do it for a lifetime if it meant more time with him.
Knowing this can’t go on forever,
Perhaps one of us will have to spend a few days alone,
Maybe we’ll live together for forty years
But one day I’ll pass
Or one day you will pass.– “If We Were Vampires” by Jason Isbell. pic.twitter.com/kPvWyqiYUe
— TCal (@TerraCalaway) October 8, 2026
Last September, Joey Janela organized a charity event called “CannonballFest”. In addition to the wrestling show, things were raffled off. Many wrestlers donated items including Cody Rhodes who did his robe from WWE Bad Blood. Darby Allyn donated the shoes she was wearing Climbing Everest. Dunnhausen, Brodie King and Megan Bain also donated items to the raffle.
Sam wrote two children’s books to help explain ALS. Besides, he started Guerriero projecta non-profit organization that helps children with terminally ill parents “regain a sense of normalcy and comfort.”
Guerrero was a two-time World Heavyweight Champion and two-time H2O Tag Team Champion and was inducted into the Deathmatch Hall of Fame by GCW last year. There were tributes from many wrestlers such as Nyla Rose, Tony Deppen, Colby Corino and WARHORSE. MLW also released a tribute to Guerreiro.
GCW mourns the loss of Jeff “Cannonball” Guerrero
Jeff was a Deathmatch Hall of Famer and beloved in the indie wrestling community, but he loved and was loved more by his family…
Our thoughts go out to his wife, Sam, and his son, Milo, whom he cherished dearly
Fick ALS! pic.twitter.com/f1G7A8eems
— GameChangerWrestling (@GCWrestling_) October 8, 2026
MLW is mourning the passing of Jeff “Cannonball” Guerreiro. We extend our deepest condolences to his family, friends and all who shared a ring with him.
Rest in peace, Cannon. pic.twitter.com/38j6mhvZaL
— MLW (@MLW) October 8, 2026
We at Wrestling Inc. send our thoughts to Guerriero’s family, friends and fans.