When McCafferty was fired midway through the 1972 season , Sandusky replaced him as head coach .
Led by quarterback Johnny Unitas , the Colts won an NFL championship in 1959 and beat the Dallas Cowboys to win Super Bowl V in 1970 .
When McCafferty was fired midway through the 1972 season , Sandusky replaced Johnny Unitas as head coach .
Led by quarterback Johnny Unitas , the Colts won an NFL championship in 1959 and beat the Dallas Cowboys to win Super Bowl V in 1970 .