After warming up for the playoffs with Monday's pair of division tiebreakers, the postseason proper begins with the winner-take-all wild-card games: Colorado Rockies-Chicago Cubs on Tuesday at Wrigley Field; and Oakland Athletics-New York Yankees on Wednesday at Yankee Stadium.
Here are nine matchups to watch in the wild-card round:
Kyle Freeland vs. his abbreviated rest
The Rockies had the option of starting Antonio Senzatela on regular rest; but instead, manager Bud Black will go with Freeland, who made his last start on Friday against the Nationals.