Albert Pujols makes a return to the NL central:

The NL Central will square off against the AL West, giving the Astros the chance to play against their former division foes. And those match-ups will get started right away, with the Reds hosting the Angels on Opening Day. That seen like an odd choice to kick off interleague play in 2013, but Reds fans are quite familiar with the Angelsí first baseman, who used to play for the division-rival Cardinals.
The article, and other 2013 schedule tidbits, can be found here.