Theo Epstein did play high school baseball. He graduated from Brookline High School in 1991 after playing ball for the Brookline High School Warriors.
first base
Mike Epstein debuted on September 16, 1966 and played his final game on April 28, 1974.
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Theo Walcott is a right winger mainly, but can play striker
Mike Epstein debuted on September 16, 1966, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on April 28, 1974, playing for the California Angels at Anaheim Stadium.
George H. W. Bush did indeed play baseball for his alma mater of Yale University. He was a left handed first baseman who excelled at the sport.
Theo Riddick plays Running Back for the Detroit Lions.
Southampton
NFL player Theo Riddick played for Notre Dame.
Yale
He was scouted by several major league teams in 1947, including the Pittsburgh Pirates, but each team withdrew their offer to bring him over.