John Brenkus, 'Sports Science' host and co-creator, dies at 54

John Brenkus, host and co-creator of ESPN's "Sport Science," died on Saturday, according to an announcement made on his X account Monday night.

John Brenkus, host and co-creator of ESPN's "Sport Science," died on Saturday, according to an announcement made on his X account Monday night. He was 54.

The Emmy-award winning host had been dealing with depression, the statement said.

"John lost his fight with this terrible illness on May 31st, 2025," the post read. "His heartbroken family and friends request privacy at this time, and encourage anyone who is struggling with depression to seek help."

Brenkus was also the founder of Brinx.TV and co-founder of Base Productions.

Brenkus opened up about his depression and suicide attempt to Marcellus Wiley, ESPN colleague and former NFL player, in January 2023. He said that when he was living in Park City, Utah, after selling his company and "Sport Science," he felt isolated and spiraled into a "deep, deep depression."