The news was jarring to all of them who know John Mara and knew his father Wellington, and celebrated four Super Bowl championships with them across their proud New York Giants years:

John Mara is <a href="https://nypost.com/2025/09/29/sports/giants-owner-john-mara-reveals-cancer-diagnosis/">battling cancer</a>.

Get texts from Paul Schwartz with all the latest Giants news and insights, exclusive to Sports+ subscribers. <a href="https://nypost.com/account/settings/texts/" class="promo__button button button--solid t-color-white" data-ga-event=" {&quot;category&quot;:&quot;Inline Promo Module Sports Plus&quot;,&quot;action&quot;:&quot;Access the Giants like never before | Get texts from Paul Schwa | SIGN UP NOW&quot;,&quot;label&quot;:&quot;https:\/\/nypost.com\/2025\/10\/02\/sports\/giants-nation-ready-to-battle-alongside-john-mara\/&quot;} " data-ga4-event=" {&quot;event_name&quot;:&quot;ux_engagement&quot;,&quot;source_unit&quot;:&quot;Inline Promo Module Sports Plus&quot;,&quot;source_position&quot;:&quot;Access the Giants like never before | Get texts from Paul Schwa | SIGN UP NOW&quot;} "> SIGN UP NOW </a>

“Very saddened by the news,” Bill Parcells texted. “He has always been very kind to me — will be praying for him.”

Prayers up <a href="https://nypost.com/2025/09/29/sports/football-world-reacts-to-giants-owner-john-maras-cancer-diagnosis/">all across Giants Nation</a> for their guy.

No one takes losses more personally than he does. Giants fans who have booed him at MetLife Stadium? Cheer for him now. Root for him now. Pray for him now. {ai:summary}John Mara is battling cancer. He and his father Wellington celebrated four Giants Super Bowl championships.Bill Parcells texted that he was saddened and praying for him. Prayers up across Giants Nation.

#health

Giants Nation ready to battle right alongside John Mara: ‘Like a family member’

Loading...