Giants co-owner John Mara announces cancer diagnosis

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John Mara, the New York Giants’ co-owner, CEO and president, announced on Monday he was diagnosed with cancer.

The 70-year-old longtime Giants executive issued a statement on social media.

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President and CEO John Mara stands on the sidelines during pregame of a game between the New York Giants and Indianapolis Colts at MetLife Stadium on Sunday, Dec. 29, 2024. (Julian Leshay Guadalupe/NorthJersey.com / USA TODAY NETWORK via Imagn Images)

"I have recently been diagnosed with cancer and have been following the treatment plan recommended by an outstanding team of doctors," Mara said.

"I’m feeling strong and optimistic, and I’m committed to seeing this through to a positive outcome. I plan to remain active with the team throughout my treatment, and I’m fortunate to be surrounded by incredible support – personally, professionally and medically."

Mara asked for privacy while he undergoes treatment.

New York Giants co-owner John Mara watches warmups before a game against the New Orleans Saints at MetLife Stadium.  (Brad Penner/Imagn Images)

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He joined the Giants in 1991 as general counsel for the team and later was the executive vice president and chief operating officer. His father, Wellington Mara, was the owner of the team until his death in 2005.

He oversaw two Giants Super Bowl titles as co-owner with Steve Tisch. Eli Manning led both teams to wins over the New England Patriots.

Mara is a third-generation team owner in the NFL. His grandfather, Tim, founded the team in 1925. Wellington and Jack Mara took