Education
He attended Niagara University and signed his first pro contract with the New York Giants in 1949.
He attended Niagara University and signed his first pro contract with the New York Giants in 1949.
In four career games pitched, all in relief, he had a 0–0 record, with a 4.22 earned run average. A native of Brooklyn, New York, Monahan stood 6 feet, 1½ inches (184 m) tall and weighed 195 pounds (88 kg). He spent the entire 1953 campaign on the A"s big-league roster, but worked in only four August games.
lieutenant was a "mop up" assignment, as the Yankees led Philadelphia 8–0 when Monahan was called on to pitch.
In his MLB career, Monahan allowed 11 hits and seven bases on balls in 10⅔ innings pitched, with two strikeouts. His pro career continued in the minor leagues in 1954 and 1957.
He died in Brooklyn at age 75.