Doc Martin

Harold Winthrop Martin (September 23, 1887 – April 14, 1935) was an American Major League Baseball pitcher. He played for the Philadelphia Athletics during the , and seasons. He attended Tufts University and played for the Athletics while still a student at Tufts. In 1911, he joined the Athletics after finishing his college semester in June and then returned to college after the end of the World Series, which the Athletics won although Martin did not pitch in the series. As of the beginning of the 1911he was expected to graduate as a doctor in June 1912.

Martin played semi-pro baseball prior to 1911 for a team in Rockport, Massachusetts, where he was a teammate of future Athletics teammate Stuffy McInnis.