Turns out McCormick, who originally came up to the Majors in 1956 as a 17-year old with the New York Giants, signed with the team right before the 1972 season, then retired in June without appearing in a game that season.
McCormick had his best seasons in the Majors with the Giants, which included two tenures with the organization: 1956-1962 and 1967-1970.
In 1967, his first season back with his old club, he went on the win the NL Cy Young when he posted a record of 22-10 with a 2.85 earned run average along with five shutouts.
Back in 1960 at the age of 21 he led the NL with his 2.70 ERA while going 15-12 with four shutouts and three saves over 40 appearances.
By the time he retired, he finished his Big League career with a record of 134-128, with a 3.73 ERA and 23 shutouts along with 12 saves over 484 appearances, 333 of them starts, with 2380.1 innings pitched.
