I know it has been mentioned on here that the Brewers have played a tougher schedule then most of their division counterparts.  Here Max Wasserman of Cornell wrote an interesting article for The Big Lead about strength of schedule and RPI as it relates to the baseball season.  The uneven scheduling as presented has a greater then negligible impact on playoff races that like last year were decided by an extra play in game.

At the end of the article he lists this years numbers and the Brewers at this point are ranked fourth. 

Article from The Big Lead