| Month | Game | Strat Date | + | Away | Pitcher | Balance | At | Home | Pitcher | Balance |
| September | 1 | 9/9/2018 | CUB | Pablo Lopez | 6R | At | OAK | Dylan Cease | 4R | |
| September | 2 | 9/10/2018 | CUB | Caleb Smith* | 4L | At | OAK | Merrill Kelly | 1L | |
| September | 3 | 9/11/2018 | CUB | Kyle Hendricks | 2L | At | OAK | Eduardo Rodriguez* | 3R | |
| September | 4 | 9/12/2018 | COL | Clayton Kershaw* | E | At | CUB | Julio Teheran | 2L | |
| September | 5 | 9/13/2018 | COL | Dylan Bundy | E | At | CUB | Daniel Norris* | 1R | |
| September | 6 | 9/14/2018 | COL | Kolby Allard* | 3R | At | CUB | Jon Gray | 1R | |
| September | OFF | 9/15/2018 | ||||||||
| September | 7 | 9/16/2018 | + | CUB | Pablo Lopez | 6R | At | BUR | Zach Plesac | 4L |
| September | 8 | 9/17/2018 | + | CUB | Caleb Smith* | 4L | At | BUR | Carlos Rodon* | 6L |
| September | 9 | 9/18/2018 | + | CUB | Kyle Hendricks | 2L | At | BUR | Jon Lester* | 2R |
| September | 10 | 9/19/2018 | + | CUB | Julio Teheran | 2L | At | BUR | Reynaldo Lopez | 1R |
| September | 11 | 9/20/2018 | + | CUB | Daniel Norris* | 1R | At | BUR | Walker Buehler | 2L |
| September | 12 | 9/21/2018 | + | CRC | Stephen Strasburg | 3L | At | CUB | Jon Gray | 1R |
| September | 13 | 9/22/2018 | + | CRC | Marco Gonzales* | 5R | At | CUB | Pablo Lopez | 6R |
| September | 14 | 9/23/2018 | + | CRC | Anibal Sanchez | 1R | At | CUB | Caleb Smith* | 4L |
| September | 15 | 9/24/2018 | + | CRC | Hyun-Jin Ryu* | 2L | At | CUB | Kyle Hendricks | 2L |
| September | OFF | 9/25/2018 | ||||||||
| September | 16 | 9/26/2018 | WRK | Joey Lucchesi* | 2L | At | CUB | Julio Teheran | 2L | |
| September | 17 | 9/27/2018 | WRK | Joe Musgrove | 3R | At | CUB | Daniel Norris* | 1R | |
| September | 18 | 9/28/2018 | WRK | Spencer Turnbull | 3R | At | CUB | Jon Gray | 1R | |
| September | 19 | 9/29/2018 | HMA | Mike Soroka | 5R | At | CUB | Pablo Lopez | 6R | |
| September | 20 | 9/30/2018 | HMA | Steven Brault* | 2L | At | CUB | Caleb Smith* | 4L | |
| September | 21 | 10/1/2018 | HMA | Aaron Sanchez | 2R | At | CUB | Kyle Hendricks | 2L | |
| September | 22 | 10/2/2018 | CUB | Julio Teheran | 2L | At | SRD | Dallas Keuchel* | 4L | |
| September | 23 | 10/3/2018 | CUB | Daniel Norris* | 1R | At | SRD | Adam Plutko | 1R | |
| September | 24 | 10/4/2018 | CUB | Jon Gray | 1R | At | SRD | Jameson Taillon | 3L | |
| + Indicates In Division Game | ||||||||||