EAST RUTHERFORD, N.J. — Ann Mara, the matriarch of the NFL's New York Giants for the past 60 years, has died. She was 85.Giants co-owner John Mara announced his mother's death on Super Bowl Sunday. Ann Mara slipped in front of her home in Rye, N.Y., during an ice storm two weeks ago and was hospitalized with a head injury the following day.