MLB had exciting playoff races that came right down to the wire, with the playoff picture and Wild Card round matchups finally getting set late Sunday evening.

What you need to know about the MLB playoffs. The Dodgers and other teams seeded No. 1 or No. 2 have five days off while four best-of-three wild-card matchups take place.

The Miami Marlins are back in the playoffs in a full season for the first time in 20 years. With the four wild-card series getting underway Tuesday, here's a look at one crucial question facing each club in the postseason:From NFL plays to college sports scores,

From there, the postseason takes its old form: a best-of-five Division Series, a best-of-seven League Championship Series, and, of course, the best-of-seven World Series. Then someone gets to throw a parade.