The 2013 World Series is featuring two division winners, the St. Louis Cardinals from the National League and the Boston Red Sox from the American League, who both led in wins and in run differential holding the best record in their respective leagues.
This game has history behind it, these two teams have played for 3 previous World Series titles with Cardinals winning in 1946 and 1967, and Boston taking home the title in 2004.
The St. Louis Cardinals have won 11 World Series titles and they now hold 19 NL Pennants. While the Boston Red Sox have won 7 World Series titles and now hold 13 AL Pennants.
Good luck, and Play Ball!