Pulse: Al WC tightening; Cards win Central

Nearly all the invitations to the October party have been delivered, but some particulars are still very much up in the air with playoffs set to begin next week -- you know, little things like who's playing whom, and who's playing where.

http://washington.nationals.mlb.com/news/article/mlb/pulse-of-the-postseason-cardinals-clinch-nl-central-al-wild-card-race-tightening?ymd=20130927&content_id=61922742&vkey=news_mlb