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When was Walter Payton born?
Throughout his life, Walter Payton had claimed his date of birth as July 25, 1954, a date which is cited in many of his early biographies.
Was July 25, 1954 not Walter Payton's real birth date?
While researching his biography of Walter Payton, Sports Illustrated's Jeff Pearlman discovered Peyton's actual date of birth to be July 25, 1953.

Question: was this significant in any way?
Self-contained rewrite: Was the discrepancy between Walter Peyton's birth date significant in any way?