Lefty Grove (1900-1975) , born in Lonaconing, MD, is the holder of the highest career winning percentage among pitchers with 300 or more career wins. Widely known as the greatest left-handed pitcher, his finest and most productive years were with the Philadelphia A's starting in 1924. He would also have some success with the Red Sox when he was traded in 1933. He led the league in winning percentage on five occasions; strikeouts for seven straight seasons; earned run average on nine seperate occasions. He retired in 1941 with 300 wins, and was elected to the Hall of Fame in 1947.