Hall of Fame baseball player Willie Mays (R) walks off Air Force One with U.S. President Barack Obama before driving to the MLB All-Star game at Busch Stadium in St. Louis, July 14, 2009. President Obama will throw out the ceremonial first pitch at Major League Baseball's All-Star Game next month, administration officials said on Tuesday. Reuters Pictures 4 months ago

Hall of Fame baseball player Willie Mays (R) walks off Air Force One with U.S. President Barack Obama before driving to the MLB All-Star game at Busch Stadium in St. Louis, July 14, 2009. President Obama will throw out the ceremonial first pitch at Major League Baseball's All-Star Game next month, administration officials said on Tuesday.