what kind of cancer does john mara have

John Mara, the co-owner and CEO of the New York Giants, has been diagnosed with cancer, but the specific type of cancer has not been disclosed. He announced his diagnosis in September 2025 and is currently following the treatment plan recommended by his medical team. Mara expressed that he is feeling strong and optimistic and plans to remain active with the team during his treatment. His family has requested privacy regarding the details of the diagnosis.