2017 National League Division Series
| 2017 National League Division Series | |||||||||||||
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| Teams | |||||||||||||
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| Dates | October 6–9 | ||||||||||||
| Television | TBS | ||||||||||||
| TV announcers | Brian Anderson, Dennis Eckersley, and Joe Simpson | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Dan Shulman and Aaron Boone | ||||||||||||
| Umpires | Phil Cuzzi, Gerry Davis (crew chief), Bill Miller, Paul Nauert, Alan Porter, Quinn Wolcott. | ||||||||||||
| Teams | |||||||||||||
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| Dates | October 6–12 | ||||||||||||
| Television | TBS | ||||||||||||
| TV announcers | Ernie Johnson and Ron Darling | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Dave Flemming and Jessica Mendoza | ||||||||||||
| Umpires | Cory Blaser, Fieldin Culbreth, Laz Díaz, Ron Kulpa, Jerry Layne (crew chief), Will Little | ||||||||||||
| NLWC | Arizona Diamondbacks defeated Colorado Rockies, 11–8 | ||||||||||||
The 2017 National League Division Series were two best-of-five-game series on the National League side in Major League Baseball’s 2017 postseason to determine the participating teams of the 2017 National League Championship Series. The three divisional winners (seeded 1–3) and a fourth team—the winner of a one-game Wild Card playoff— played in two series.
These matchups were:
- (1) Los Angeles Dodgers (West Division champions) vs (4) Arizona Diamondbacks (Wild Card Game winner): Dodgers win series 3–0.
- (2) Washington Nationals (East Division champions) vs (3) Chicago Cubs (Central Division champions): Cubs win series 3–2.
The Dodgers would go on to defeat the Cubs in the NLCS, then lose the 2017 World Series to the American League champion Houston Astros.
For the first time, Major League Baseball sold presenting sponsorships to all of its postseason series; T-Mobile US acquired presenting sponsorship to the NLDS, and thus the series was officially known as the National League Division Series presented by T-Mobile.