John Mayer is mourning the loss of his beloved dog.
He shared the sad news in an Instagram post on Dec. 5:
We said goodbye to Moose yesterday. He came into my life when I needed pure love, and that’s what he gave me for 14 years.
Alongside a carousel of photos, from the days when Moose was a puppy to when he was old and graying, Mayer wrote, “We traded on that love, as well as something else I now realize was important: routine. For a guy like me who left home at 19 and had never lived the same day twice, our routine brought real comfort and stability. When dinner is always at 8, and the afternoon walks are at 4:30, those kinds of things can heal your heart. And they did, time and time again.”

NEW YORK, NEW YORK – JUNE 16: John Mayer attends the World Premiere of F1® The Movie in Times Square on June 16, 2025 in New York City. (Photo by Jamie McCarthy/Getty Images for Warner Bros. Pictures)
He continued, “Today my heart is so heavy and sore, but there’s more love in my life than there has ever been, and that’s because Moose helped lead me to it.”
Mayer anticipated he expects to come across an old tennis ball at some point, saying, “when I do, I’ll give it a toss, and think about the dog I had when I was becoming a man, and how he was such a good dog, and that there isn’t ever enough time. But there’s enough love. There’s more than enough.”

LOS ANGELES, CALIFORNIA – JUNE 12: John Mayer performs onstage during SiriusXM Presents SmartLess Live with Special Guest John Mayer at AVALON Hollywood on June 12, 2025 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images for SiriusXM)
Moose appeared on the cover of Mayer’s 2013 album “Paradise Valley.”
RIP to the good boy and condolences to Mayer.
