Claim: The 1961 New York Giants, owned by Jack and Wellington Mara and led by head coach Allie Sherman, had a record of 10-3-1 and placed first in the NFL Eastern Division, but they lost the NFL Championship (at Packers, 0-37).
Evidence: Jack Mara
Wellington Mara Allie Sherman 10–3–1 1st NFL Eastern Lost NFL Championship
(at Packers, 0–37)