From Alex Speier, the excellent Red Sox beat writer at WEEI.com:
Red Sox manager John Farrell said that after Jon Lester starts Game 1 of the World Series, John Lackey will start Game 2, in part based on a desire not to have his next trip to the mound be too far removed from his dominant performance in Game 3 of the American League Championship Series against the Tigers, when Lackey beat Justin Verlander, 1-0. A Game 2 start would mean Lackey was pitching on seven days’ rest, as opposed to nine days if he were to be pushed back to Game 3 in St. Louis.
The other option would have been Clay Buchholz, who started Game 2 of the ALCS against the Tigers but struggled in that outing. Farrell wouldn’t say whether it’ll be Buchholz or Jake Peavy for World Series Game 3.
With ace Adam Wainwright going in Game 1 and rookie sensation Michael Wacha starting Game 2, the Cardinals seem to have the early matchup edge. But it’s simply impossible to predict baseball’s postseason.