| Month | Game | Strat Date | + | Away | Pitcher | Balance | At | Home | Pitcher | Balance |
| September | 1 | 9/9/2018 | AAR | Dan Straily | 3R | At | DYE | Daniel Mengden | 2L | |
| September | 2 | 9/10/2018 | AAR | Noah Syndergaard | 1R | At | DYE | Ivan Nova | 3R | |
| September | 3 | 9/11/2018 | AAR | Jacob Degrom | 3R | At | DYE | Tanner Roark | 1R | |
| September | 4 | 9/12/2018 | CAL | Clay Buchholz | 5L | At | AAR | Tyson Ross | 6R | |
| September | 5 | 9/13/2018 | CAL | Kyle Freeland* | 4L | At | AAR | Mike Clevinger | 3R | |
| September | 6 | 9/14/2018 | CAL | Patrick Corbin* | 4R | At | AAR | Dan Straily | 3R | |
| September | OFF | 9/15/2018 | ||||||||
| September | 7 | 9/16/2018 | + | HOH | Mike Leake | 1L | At | AAR | Noah Syndergaard | 1R |
| September | 8 | 9/17/2018 | + | HOH | Sean Manaea* | 1L | At | AAR | Jacob Degrom | 3R |
| September | 9 | 9/18/2018 | + | HOH | Michael Wacha | 4L | At | AAR | Tyson Ross | 6R |
| September | 10 | 9/19/2018 | + | HOH | Zach Davies | 2L | At | AAR | Mike Clevinger | 3R |
| September | 11 | 9/20/2018 | + | HOH | Ty Blach* | 1R | At | AAR | Dan Straily | 3R |
| September | 12 | 9/21/2018 | + | AAR | Noah Syndergaard | 1R | At | OAK | Anthony Desclafani | 6R |
| September | 13 | 9/22/2018 | + | AAR | Jacob Degrom | 3R | At | OAK | Jameson Taillon | 2R |
| September | 14 | 9/23/2018 | + | AAR | Tyson Ross | 6R | At | OAK | Matt Boyd* | E |
| September | 15 | 9/24/2018 | + | AAR | Mike Clevinger | 3R | At | OAK | Nick Pivetta | 1R |
| September | OFF | 9/25/2018 | ||||||||
| September | 16 | 9/26/2018 | + | HMA | Marco Estrada | 3L | At | AAR | Shohei Ohtani | 5L |
| September | 17 | 9/27/2018 | + | HMA | Marcus Stroman | 1L | At | AAR | Jacob Degrom | 3R |
| September | 18 | 9/28/2018 | + | HMA | Gio Gonzalez* | 4L | At | AAR | Tyson Ross | 6R |
| September | 19 | 9/29/2018 | + | HMA | Eric Lauer* | 3R | At | AAR | Mike Clevinger | 3R |
| September | 20 | 9/30/2018 | + | HMA | Sandy Alcantara | 5L | At | AAR | Dan Straily | 3R |
| September | 21 | 10/1/2018 | + | AAR | Shohei Ohtani | 5L | At | NYY | Carlos Martinez | 2R |
| September | 22 | 10/2/2018 | + | AAR | Jacob Degrom | 3R | At | NYY | Matt Shoemaker | 5L |
| September | 23 | 10/3/2018 | + | AAR | Noah Syndergaard | 1R | At | NYY | Trevor Bauer | 2L |
| September | 24 | 10/4/2018 | + | AAR | Mike Clevinger | 3R | At | NYY | Seth Lugo | 4L |
| + Indicates In Division Game | ||||||||||