 Complete the following phrase:  Unitas continued his prowess in 1958 passing for 2,007 yards and 19 touchdowns as the Colts won the Western Conference title. The Colts won the NFL championship under his leadership on December 28, 1958, by defeating the New York Giants 2317 in sudden death overtime on a touchdown by fullback Alan Ameche. It was the first overtime game in NFL history, and is often referred to as the 