After two nail-biters, Cards and Pirates vie for series win

(Photo credit: Philip G. Pavely-USA TODAY Sports)
Not much separates the Pittsburgh Pirates and St. Louis Cardinals in the National League wild-card race.

The Pirates beat the visiting Cardinals 2-1 on Monday to pull within one game of St. Louis, then the Cardinals won 2-1 on Tuesday to keep Pittsburgh from pulling even. The teams will play thedecisive game of their series Wednesday afternoon.

Pittsburgh won six of seve