| Month | Game | Strat Date | + | Away | Pitcher | Balance | At | Home | Pitcher | Balance |
| September | 1 | 9/9/2018 | BUR | Zach Plesac | 4L | At | HOH | Felix Pena | 8R | |
| September | 2 | 9/10/2018 | BUR | Carlos Rodon* | 6L | At | HOH | Brad Peacock | 9R | |
| September | 3 | 9/11/2018 | BUR | Jon Lester* | 2R | At | HOH | Jason Vargas* | 1R | |
| September | 4 | 9/12/2018 | HOH | Andrew Cashner | 5L | At | DYE | Jack Flaherty | 1R | |
| September | 5 | 9/13/2018 | HOH | Zach Davies | E | At | DYE | Griffin Canning | 3L | |
| September | 6 | 9/14/2018 | HOH | Felix Pena | 8R | At | DYE | Aaron Nola | E | |
| September | OFF | 9/15/2018 | ||||||||
| September | 7 | 9/16/2018 | + | HOH | Brad Peacock | 9R | At | OAK | Dylan Cease | 4R |
| September | 8 | 9/17/2018 | + | HOH | Diego Castillo | 5R | At | OAK | Merrill Kelly | 1L |
| September | 9 | 9/18/2018 | + | HOH | Zach Davies | E | At | OAK | Eduardo Rodriguez* | 3R |
| September | 10 | 9/19/2018 | + | HOH | Andrew Cashner | 5L | At | OAK | Matt Boyd* | 1L |
| September | 11 | 9/20/2018 | + | HOH | Jason Vargas* | 1R | At | OAK | Anthony Desclafani | 3R |
| September | 12 | 9/21/2018 | + | AAR | Jacob Degrom | 1R | At | HOH | Brad Peacock | 9R |
| September | 13 | 9/22/2018 | + | AAR | Noah Syndergaard | 1R | At | HOH | Sean Manaea* | 3L |
| September | 14 | 9/23/2018 | + | AAR | Cal Quantrill | 7R | At | HOH | Zach Davies | E |
| September | 15 | 9/24/2018 | + | AAR | Mike Clevinger | 2R | At | HOH | Andrew Cashner | 5L |
| September | OFF | 9/25/2018 | ||||||||
| September | 16 | 9/26/2018 | + | NYY | Jordan Yamamoto | E | At | HOH | Brad Peacock | 9R |
| September | 17 | 9/27/2018 | + | NYY | Matt Shoemaker | 2R | At | HOH | Diego Castillo | 5R |
| September | 18 | 9/28/2018 | + | NYY | Luis Castillo | 1R | At | HOH | Zach Davies | E |
| September | 19 | 9/29/2018 | + | NYY | Lucas Giolito | 4L | At | HOH | Felix Pena | 8R |
| September | 20 | 9/30/2018 | + | NYY | Trevor Bauer | 3R | At | HOH | Andrew Cashner | 5L |
| September | 21 | 10/1/2018 | + | HOH | Brad Peacock | 9R | At | AAR | Noah Syndergaard | 1R |
| September | 22 | 10/2/2018 | + | HOH | Jason Vargas* | 1R | At | AAR | Mike Clevinger | 2R |
| September | 23 | 10/3/2018 | + | HOH | Zach Davies | E | At | AAR | Cal Quantrill | 7R |
| September | 24 | 10/4/2018 | + | HOH | Sean Manaea* | 3L | At | AAR | Adam Wainwright | 4R |
| + Indicates In Division Game | ||||||||||