It’s a fiercely competitive baseball postseason – no team has swept its division series, and teams facing elimination have found a way, thus far, to stave it off. In the National League, two teams worth rooting for have taken a 2-1 lead in their respective series, and could claim victory tonight – or, like their American League counterparts tomorrow, face a series-clinching Game 5. The first of tonight’s games, both of which are televised by TBS, has the St. Louis Cardina