Buster Olney's Insider blog has the keys to winner-to-take-all games, an excellent primer to today's matchups. Here are some other pieces to check out:
Amanda Rykoff with a fun look at the playoffs, from A to Z.
Our friends at Camden Depot have a podcast up previewing the Orioles' wild-card game.
While Kris Medlen's changeup has been a lethal out pitch, Ben Duronio at Capitol Avenue Club suggests Medlen's curveball could be the key pitch against the Cardinals.
The Rangers turn to Yu Darvish, writes Jean-Jacques Taylor at ESPNDallas. One reason for his success down the stretch: Increased use of his cutter.
Joey Matschulat with a look back at Josh Hamilton's key dropped fly ball that helped sink the Rangers into the wild-card game: "Hamilton was also bad at the dish yesterday, going 1-for-5 with three strikeouts, and even though he hit very well during September/October on the whole, his late-month downturn ... the ocular keratitis incident, and yesterday's events make for a pretty miserable ending to a season that vacillated between Hall of Fame-caliber and sub-replacement level ... a season where public opinion has swung violently back and forth for a multitude of reasons, and now finally seems to be settling on "yeah, peace out Josh."
Josh Hamilton has been killing fastballs over the past two months. ESPN Stats & Info on the best way to get him out.
Jason Wojciechowski looks at what the A's roster for their Division Series showdown against Detroit should be.
Steve Mancuso at Redleg Nation previews the Reds-Giants Division Series.
Chris Quick asks: Should Barry Zito start in the postseason?
Andrew Marchand asks: Should the Yankees root for the Orioles or Rangers?
The Nationals don't know their opponent yet, but Harper Gordek looks at how the Stephen Strasburg shutdown hurts the Nationals.