| 2015 St. Louis Cardinals | ||
|---|---|---|
| National League Central Champions | ||
 | ||
| League | National League | |
| Division | Central | |
| Ballpark | Busch Stadium | |
| City | St. Louis, Missouri | |
| Record | 100–62 (.617) | |
| Divisional place | 1st | |
| Owners | William DeWitt, Jr. Fred Hanser | |
| General managers | John Mozeliak | |
| Managers | Mike Matheny | |
| Television | Fox Sports Midwest (Dan McLaughlin, Al Hrabosky, Rick Horton, Tim McCarver) | |
| Radio | KMOX (1120AM) St. Louis Cardinals Radio Network (Mike Shannon, John Rooney, Al Hrabosky, Rick Horton, Mike Claiborne) | |
| Stats | ESPN.com Baseball Reference | |
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The St. Louis Cardinals 2015 season was the 134th for the Major League Baseball (MLB) franchise in St. Louis, Missouri, the 124th season in the National League, and the 10th at Busch Stadium III. They entered the 2015 season as two-time defending National League Central champions and having made four consecutive NLCS appearances.
The Cardinals' 2014–15 offseason began tragically with the death of rookie outfielder Oscar Taveras in a traffic collision on October 26. On November 17, they acquired right fielder Jason Heyward and pitcher Jordan Walden from the Atlanta Braves in a blockbuster trade for pitchers Shelby Miller and Tyrell Jenkins. The Cardinals inducted Curt Flood, Bob Forsch, George Kissell and Ted Simmons into the franchise Hall of Fame. Forbes valued the Cardinals at $1.2 billion in 2015, ranking them 27th out of all sports franchises in the world, and the sixth-highest in all MLB.
By winning 22 of their first 29 games of the season, the Cardinals secured their best start since 1887, and became the first major league team of the year to reach 50 wins, the fastest since the Chicago White Sox in 2005. Outfielder Matt Holliday set a new National League record by reaching base in his first 45 games of the season. In June, reports surfaced that the Federal Bureau of Investigation (FBI) were investigating an incident involving the Cardinals hacking into the Houston Astros' computer networks, the first known such case of corporate espionage in professional sports.
By winning their 100th game on September 30, the Cardinals clinched their third consecutive division title. It was the first time since 2005 they had won at least 100 games in a season, and they became the first team to do so since the 2011 Phillies. However, they lost to the Chicago Cubs in the NLDS, ending their streak of four straight NLCS appearances.