Playoff Series Breakdown
| First Round Playoff: Twins @ Red Sox | ||
| 1 | Red Sox 7, Twins 5 | WP: Santana LP: Alcala |
| Red Sox Win Series 1-0 | ||
| First Round Playoff: Giants @ Mets | ||
| 1 | Mets 4, Giants 2 | WP: deGrom LP: Webb |
| Mets Win Series 1-0 | ||
| Second Round Playoff: Red Sox @ Blue Jays | ||
| 1 | Red Sox 2, Blue Jays 1 | WP: Hall LP: Manoah |
| 2 | Red Sox 7, Blue Jays 1 | WP: Rengifo LP: Valmer |
| 3 | Blue Jays 6, Red Sox 3 | WP: Carlin LP: Matzek |
| 4 | Red Sox 6, Blue Jays 2 | WP: Whitlock LP: Benz |
| Red Sox Win Series 3-1 | ||
| Second Round Playoff: Angels @ White Sox | ||
| 1 | White Sox 2, Angels 0 | WP: Rodon LP: Ohtani |
| 2 | Angels 6, White Sox 1 | WP: Sandoval LP: Giolito |
| 3 | White Sox 2, Angels 1 | WP: Turnbull LP: Johnson |
| 4 | White Sox 7, Angels 3 | WP: Cease LP: Suarez |
| White Sox Win Series 3-1 | ||
| Second Round Playoff: Pirates @ Dodgers | ||
| 1 | Dodgers 8, Pirates 2 | WP: Buehler LP: Torres |
| 2 | Dodgers 5, Pirates 4 | WP: Chapman LP: Derby |
| 3 | Pirates 4, Dodgers 2 | WP: Jones LP: Urias |
| 4 | Dodgers 5, Pirates 3 | WP: Bannon LP: Duffy |
| Dodgers Win Series 3-1 | ||
| Second Round Playoff: Mets @ Marlins | ||
| 1 | Marlins 7, Mets 1 | WP: Scherzer LP: Wheeler |
| 2 | Mets 16, Marlins 7 | WP: McDonald LP: Kilgore |
| 3 | Mets 1, Marlins 0 | WP: Lindley LP: Baek |
| 4 | Mets 3, Marlins 2 | WP: deGrom LP: Alcantara |
| Mets Win Series 3-1 | ||
| Third Round Playoff: Red Sox @ White Sox | ||
| 1 | Red Sox 4, White Sox 3 | WP: Hall LP: Crochet |
| 2 | White Sox 5, Red Sox 1 | WP: Giolito LP: Rengifo |
| 3 | Red Sox 14, White Sox 2 | WP: Houck LP: Turnbull |
| 4 | Red Sox 1, White Sox 0 | WP: Santana LP: Odorizzi |
| 5 | Red Sox 7, White Sox 6 | WP: Santana LP: Lopez |
| Red Sox Win Series 4-1 | ||
| Third Round Playoff: Mets @ Dodgers | ||
| 1 | Dodgers 5, Mets 0 | WP: Buehler LP: Wheeler |
| 2 | Mets 7, Dodgers 5 | WP: Jones LP: McHugh |
| 3 | Mets 2, Dodgers 1 | WP: Lindley LP: Bickford |
| 4 | Mets 15, Dodgers 3 | WP: McDonald LP: Bannon |
| 5 | Mets 4, Dodgers 3 | WP: Smith LP: Buehler |
| Mets Win Series 4-1 | ||
| World Series: Red Sox @ Mets | ||
| 1 | Mets 2, Red Sox 1 | WP: Lucchesi LP: Brubaker |
| 2 | Mets 6, Red Sox 1 | WP: Ritter LP: Rengifo |
| 3 | Mets 6, Red Sox 1 | WP: Wheeler LP: Hall |
| 4 | Red Sox 7, Mets 4 | WP: Houser LP: McDonald |
| 5 | Mets 1, Red Sox 0 | WP: deGrom LP: Houck |
| Mets Win Series 4-1 | ||
