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Denver Broncos middle linebacker Alex Singleton revealed he underwent surgery to remove testicular cancer a day after playing against the Las Vegas Raiders.
Singleton announced the health alert on social media, saying the diagnosis came after a league-required drug test “a little over two weeks ago” showed he had elevated levels of the hormone hCG, leading to further discussions with doctors.
They discovered a tumor that needed to be surgically removed, and Singleton said he had an “excellent prognosis” for a full recovery.
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Alex Singleton of the Denver Broncos watches from the sidelines during the national anthem before an NFL football game against the Las Vegas Raiders at Empower Field at Mile High on November 6, 2025 in Denver, Colorado. (Cooper Neill/Getty Images)
“Fortunately, we believe the cancer was detected early and the prognosis is good for me and my family,” he said in a statement. “Although we are still awaiting additional test results, I plan to return to the field in the coming weeks.”
Singleton added that he consulted Dr. Andrew Zilovy, a urologist, who determined he had signs of a testicular tumor.
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“I immediately contacted the Broncos and they put me in touch with Dr. Geoff Ledgerwood, who was able to immediately perform an ultrasound to confirm the diagnosis,” Singleton’s statement continued. “And then on Friday, after playing in the Raiders game the night before, I had surgery to remove the cancerous tumor and start the path to a full recovery.”
Singleton said he informed his teammates of the situation Monday before revealing it publicly. He admitted to having doubts about telling the world, but believed his story should be shared.
Alex Singleton of the Denver Broncos lines up before the snap during an NFL football game against the Las Vegas Raiders at Empower Field at Mile High on November 6, 2025 in Denver, Colorado. (Cooper Neill/Getty Images)
“I found it difficult to share such personal information publicly,” he said. “But the fact is, if it helps one person decide to pay more attention to their body, then it’s worth it. Early detection and regular screenings save lives and can save their loved ones a lot of heartache.”
Singleton has been one of the most consistent linebackers over the past few seasons, as he ranks fifth in the league in tackles (89) through 10 games.
Before suffering a season-ending injury three games into his 2024 campaign, Singleton, the Broncos’ defensive captain, recorded 177 combined tackles in 2023 after posting 163 in 2022 during his first season in Denver.
Alex Singleton of the Denver Broncos warms up before an NFL football game against the Houston Texans at NRG Stadium on November 2, 2025 in Houston, Texas. (Cooper Neill/Getty Images)
Singleton’s career began in the Canadian Football League, where he was recognized for his performances with the Calgary Stampeders between 2016 and 2018. The Philadelphia Eagles took notice of Singleton, a product of Montana State University, and he played three seasons with the franchise before signing with the Broncos.
