Here's what you need to know today.
Game time: 8:07 p.m.
Weather: Temps in the 40s throughout the game, but Weather Channel's forecast is showing zero percent chance of rain.
Pregame details: Willie McGee will throw out the first pitch and Colbie Caillat will sing the anthem. More on the pregame festivities here.
Live coverage today on Boston.com:
-- At 5 p.m., our live pregame show from Busch Stadium features special guest Sean Casey of MLB Network joining Chad Finn and Nick Cafardo. Look for live video players on the BDC homepage and sports page, and we'll have on-demand replays available shortly after the show.
-- Discuss Game 3 with Boston.com columnist Chad Finn at 7 p.m. in a chat session in his Touching All the Bases blog.
-- Steve Silva will start bringing you updates, photos, and more in our live blog beginning around 6 p.m.
-- Time has pretty much run out to grow a Red Sox playoff beard, but no worries, Boston.com has you covered. Check out "Beard Me," which lets you add a beard to any photo.
-- On BostonGlobe.com, Peter Abraham outlines what Red Sox pitcher Jake Peavy faces in the biggest start of his career.
-- Gary Washburn explores the "Cardinal Way", and Shira Springer explains MLB's fight against counterfeit World Series merchandise.
-- St. Louis Post-Dispatch columnist Bernie Miklasz speculates there's no reason the Cardinals can't win all three games in St. Louis. He outlines seven reasons it can happen.