| Month | Game | Strat Date | + | Away | Pitcher | Balance | At | Home | Pitcher | Balance |
| September | 1 | 9/9/2018 | TAM | Jose Quintana* | 1L | At | HOH | Ty Blach* | 1R | |
| September | 2 | 9/10/2018 | TAM | Zack Godley | 1L | At | HOH | Mike Leake | 1L | |
| September | 3 | 9/11/2018 | TAM | Chris Archer | 3R | At | HOH | Michael Wacha | 4L | |
| September | 4 | 9/12/2018 | SYI | Jose Berrios | E | At | TAM | Steven Matz* | 2L | |
| September | 5 | 9/13/2018 | SYI | James Paxton* | E | At | TAM | Luis Severino | 1R | |
| September | 6 | 9/14/2018 | SYI | Chase Anderson | 4L | At | TAM | Jose Quintana* | 1L | |
| September | OFF | 9/15/2018 | ||||||||
| September | 7 | 9/16/2018 | + | DYE | Aaron Nola | 1L | At | TAM | Zack Godley | 1L |
| September | 8 | 9/17/2018 | + | DYE | Ivan Nova | 3R | At | TAM | Chris Archer | 3R |
| September | 9 | 9/18/2018 | + | DYE | Jack Flaherty | 3L | At | TAM | Kevin Gausman | 2L |
| September | 10 | 9/19/2018 | + | DYE | Daniel Mengden | 2L | At | TAM | Luis Severino | 1R |
| September | 11 | 9/20/2018 | + | DYE | Aaron Nola | 1L | At | TAM | Steven Matz* | 2L |
| September | 12 | 9/21/2018 | + | TAM | Zack Godley | 1L | At | GGG | Rick Porcello | 2R |
| September | 13 | 9/22/2018 | + | TAM | Jose Quintana* | 1L | At | GGG | Mike Foltynewicz | E |
| September | 14 | 9/23/2018 | + | TAM | Kevin Gausman | 2L | At | GGG | Francisco Liriano* | 7L |
| September | 15 | 9/24/2018 | + | TAM | Luis Severino | 1R | At | GGG | Miles Mikolas | 6R |
| September | OFF | 9/25/2018 | ||||||||
| September | 16 | 9/26/2018 | + | TAM | Chris Archer | 3R | At | SRD | Dallas Keuchel* | 2R |
| September | 17 | 9/27/2018 | + | TAM | Steven Matz* | 2L | At | SRD | Chris Sale* | 2L |
| September | 18 | 9/28/2018 | + | TAM | Zack Godley | 1L | At | SRD | Homer Bailey | 2R |
| September | 19 | 9/29/2018 | + | TAM | Jose Quintana* | 1L | At | SRD | Ian Kennedy | 2L |
| September | 20 | 9/30/2018 | + | TAM | Kevin Gausman | 2L | At | SRD | Dallas Keuchel* | 2R |
| September | 21 | 10/1/2018 | + | GGG | Trevor Williams | 3L | At | TAM | Chris Archer | 3R |
| September | 22 | 10/2/2018 | + | GGG | Mike Foltynewicz | E | At | TAM | Luis Severino | 1R |
| September | 23 | 10/3/2018 | + | GGG | Wade Miley* | E | At | TAM | Zack Godley | 1L |
| September | 24 | 10/4/2018 | + | GGG | Miles Mikolas | 6R | At | TAM | Jose Quintana* | 1L |
| + Indicates In Division Game | ||||||||||