Playoff Series Breakdown
| Second Round Playoff: Reds @ Mets | ||
| 1 | Mets 6, Reds 0 | WP: Scherzer LP: Kershaw |
| 2 | Reds 4, Mets 2 | WP: Bundy LP: Severino |
| 3 | Mets 9, Reds 4 | WP: Leone LP: Blackburn |
| 4 | Mets 7, Reds 5 | WP: Asher LP: Comer |
| Mets Win Series 3-1 | ||
| Second Round Playoff: Athletics @ Red Sox | ||
| 1 | Red Sox 5, Athletics 1 | WP: Ray LP: Strasburg |
| 2 | Athletics 2, Red Sox 1 | WP: Gonzalez LP: Lamet |
| 3 | Athletics 4, Red Sox 2 | WP: Miller LP: Meyer |
| 4 | Athletics 7, Red Sox 3 | WP: Williams LP: Bauer |
| Athletics Win Series 3-1 | ||
| Second Round Playoff: Angels @ Mariners | ||
| 1 | Angels 5, Mariners 1 | WP: Clevinger LP: Bumgarner |
| 2 | Mariners 6, Angels 0 | WP: Bridwell LP: Fulmer |
| 3 | Mariners 7, Angels 1 | WP: Hendricks LP: Newcomb |
| 4 | Angels 4, Mariners 2 | WP: Lopez LP: Fitzgerald |
| 5 | Mariners 3, Angels 1 | WP: Bumgarner LP: Clevinger |
| Mariners Win Series 3-2 | ||
| Second Round Playoff: Dodgers @ Pirates | ||
| 1 | Pirates 3, Dodgers 1 | WP: Faria LP: Syndergaard |
| 2 | Pirates 10, Dodgers 1 | WP: Giolito LP: Sale |
| 3 | Dodgers 3, Pirates 1 | WP: Woods LP: Nash |
| 4 | Pirates 8, Dodgers 6 | WP: Stephens LP: Allen |
| Pirates Win Series 3-1 | ||
| Third Round Playoff: Athletics @ Mariners | ||
| 1 | Mariners 2, Athletics 1 | WP: Leclerc LP: Stewart |
| 2 | Mariners 4, Athletics 0 | WP: Hendricks LP: Gonzalez |
| 3 | Mariners 4, Athletics 1 | WP: Fitzgerald LP: Peacock |
| 4 | Mariners 7, Athletics 3 | WP: Bumgarner LP: Strasburg |
| Mariners Win Series 4-0 | ||
| Third Round Playoff: Mets @ Pirates | ||
| 1 | Pirates 3, Mets 2 | WP: Faria LP: Scherzer |
| 2 | Mets 4, Pirates 1 | WP: Severino LP: Giolito |
| 3 | Pirates 7, Mets 2 | WP: Alvarado LP: Maton |
| 4 | Pirates 6, Mets 3 | WP: Faria LP: Scherzer |
| 5 | Pirates 7, Mets 3 | WP: Rivero LP: Archer |
| Pirates Win Series 4-1 | ||
| World Series: Mariners @ Pirates | ||
| 1 | Mariners 7, Pirates 3 | WP: Bumgarner LP: Faria |
| 2 | Pirates 7, Mariners 3 | WP: Giolito LP: Bridwell |
| 3 | Pirates 6, Mariners 5 | WP: Tuivailala LP: Devenski |
| 4 | Pirates 9, Mariners 1 | WP: Senzatela LP: Fitzgerald |
| 5 | Pirates 5, Mariners 4 | WP: Faria LP: Bumgarner |
| Pirates Win Series 4-1 | ||
