Did the St. Louis Cardinals try to steal more than second base from the Houston Astros? The FBI is looking into a hacking attack on a key Astros database. Here, the Cardinals' Aledmys Diaz is tagged out at second by Carlos Correa of the Astros during a spring training game in March. Stacy Revere/Getty Images hide caption

itoggle caption Stacy Revere/Getty Images

The San Francisco Giants' Travis Ishikawa reacts Thursday after hitting a walk-off three-run home run during the ninth inning of Game 5 of the National League Championship Series against the St. Louis Cardinals. Jeff Chiu/The Associated Press hide caption

itoggle caption Jeff Chiu/The Associated Press

Matt Adams of the St. Louis Cardinals reacts after hitting a three-run home run in the seventh inning against the Los Angeles Dodgers in Game 4 of the National League Division Series. Dilip Vishwanat/Getty Images hide caption

itoggle caption Dilip Vishwanat/Getty Images

Boston Red Sox relief pitcher Koji Uehara points to the sky as he and his teammates celebrate their World Series victory Wednesday. Rob Carr/Getty Images hide caption

itoggle caption Rob Carr/Getty Images

For Game 6, the World Series returns to Boston's Fenway Park, where the home team hasn't clinched a championship since 1918. Here, Red Sox players warm up in front of the Green Monster. Jared Wickerham/Getty Images hide caption

itoggle caption Jared Wickerham/Getty Images

Big Papi is red hot: Boston's David Ortiz has driven the Red Sox to a 3-2 lead over the St. Louis Cardinals in the World Series. Rob Carr/Getty Images hide caption

itoggle caption Rob Carr/Getty Images

Kolten Wong of the St. Louis Cardinals slumps as Boston Red Sox first baseman Mike Napoli celebrates Sunday night. Wong was picked off at first base to end the game and the Cardinals' hopes of winning. Boston's 4-2 victory means the World Series is tied at 2-2. Elsa/Getty Images hide caption

itoggle caption Elsa/Getty Images

Home plate umpire Dana DeMuth points to third base, where an obstruction call awarded the St. Louis Cardinals' Allen Craig home plate — and the winning run in Game 3 of the World Series — Saturday night. Boston Red Sox catcher Jarrod Saltalamacchia and Koji Uehara were dismayed by the call. Jamie Squire/Getty Images hide caption

itoggle caption Jamie Squire/Getty Images

Boston Red Sox slugger David Ortiz, a designated hitter in American League ballparks, played first base in St. Louis during the 2004 World Series. He'll do the same for Game 3 of the series Saturday. Al Bello/Getty Images hide caption

itoggle caption Al Bello/Getty Images

The rout begins: Boston's David Ortiz, No. 34, scores in the first inning of Wednesday's World Series game against St. Louis. Mike Napoli's double brought in three runs, and the Red Sox were on the way to an 8-1 win. Rob Carr/Getty Images hide caption

itoggle caption Rob Carr/Getty Images

Matt Carpenter of the St. Louis Cardinals as he scored his team's first run Friday night. The Cards would go on to beat the Los Angeles Dodgers 9-0 and advance to the World Series. Dilip Vishwanat/Getty Images hide caption

itoggle caption Dilip Vishwanat/Getty Images

San Francisco Giants relief pitcher Sergio Romo reacts after the final out in Game 7 of baseball's National League Championship Series against the St. Louis Cardinals on Monday in San Francisco. David J. Phillip/AP hide caption

itoggle caption David J. Phillip/AP