1903 World Series:

Boston AL 5 games, Pittsburgh NL 3 games.

Pittsburgh pitcher Sam Leever injured his shoulder while trap-shooting, so his teammate Deacon Phillippe had to pitch five complete games for Pittsburgh. He won three of his games, but it was not enough to overcome the representatives from the new American League. Boston pitchers Bill Dinneen and Cy Young led Boston to victory.

External links:

The 1903 World Series website by David Southwick contains box scores and articles by contemporary Boston sportswriter Tim Murnane. http://www.geocities.com/redsoxfan_02269/

Baseball Almanac's 1903 World Series page: http://baseball-almanac.com/ws/yr1903ws.shtml