The 1958 National Football League season resulted in a tie for the Eastern Conference championship between the Cleveland Browns and the New York Giants, requiring a one-game playoff to be held between them. This conference championship game was played on December 21, 1958, at Yankee Stadium. The winner of that game then hosted the Baltimore Colts on December 28.
|Eastern Conference playoff||NFL Championship|
|W||Baltimore Colts||23 (OT)|
|E||Cleveland Browns||0||E||New York Giants||17|
|E||New York Giants||10|