| DATE/TIME | LOCATION | AWAY | SCORE | HOME | SCORE | TYPE |
|---|---|---|---|---|---|---|
| Sun May 25 @ 3:00 PM | Crosby Park | Bat Intentions | 22 | Markham Mayhem | 4 | Season |
| Sun Jun 1 @ 3:00 PM | Crosby Park | Markham Mayhem | 4 | Find My Friends | 16 | Season |
| Sun Jun 22 @ 11:45 AM | Bayview Reservoir Park | Markham Mayhem | 6 | Trident | 17 | Season |
| Sun Jun 22 @ 2:15 PM | Bayview Reservoir Park | Slo-Bros | 13 | Markham Mayhem | 11 | Season |
| Sun Jun 29 @ 6:45 PM | Bayview Reservoir Park | Markham Mayhem | 4 | Los Diablos | 17 | Season |
| Sun Jul 6 @ 4:15 PM | Crosby Park | Brews On First | 1 | Markham Mayhem | 8 | Season |
| Sun Jul 6 @ 5:30 PM | Crosby Park | Markham Mayhem | 20 | Trailblazers | 4 | Season |
| Sun Jul 13 @ 3:00 PM | Bayview Reservoir Park | Markham Mayhem | 8 | Sons of Pitches | 23 | Season |
| Sun Jul 13 @ 4:15 PM | Bayview Reservoir Park | No Glove No Love | 6 | Markham Mayhem | 7 | Season |
| Sun Jul 20 @ 4:15 PM | Crosby Park | Markham Mayhem | 17 | Find My Friends | 12 | Season |
| Sun Jul 20 @ 5:30 PM | Crosby Park | Master Batters 2.0 | 11 | Markham Mayhem | 18 | Season |
| Sat Jul 26 @ 2:15 PM | Centennial Park South | Trailblazers | 10 | Markham Mayhem | 17 | n/a |
| Sat Jul 26 @ 4:45 PM | Centennial Park North | Markham Mayhem | 14 | Brews On First | 13 | n/a |
| Sat Jul 26 @ 6:00 PM | Centennial Park South | Markham Mayhem | 8 | Sleep N' Forget | 15 | n/a |
| Sun Jul 27 @ 9:00 AM | Crosby Park | Green Eggs & Slam | Markham Mayhem | Quarters | ||
| Sun Aug 10 @ 4:15 PM | Crosby Park | Nads 2 | 15 | Markham Mayhem | 1 | Season |
| Sun Aug 17 @ 3:00 PM | Bayview Reservoir Park | Green Eggs & Slam | 9 | Markham Mayhem | 7 | Season |
| Sun Aug 24 @ 3:00 PM | Crosby Park | Side of Rice | 12 | Markham Mayhem | 8 | Season |
| Sun Sep 7 @ 5:30 PM | Crosby Park | Raccoon City Hearts | 17 | Markham Mayhem | 5 | Season |
| Sun Sep 14 @ 5:30 PM | Bayview Reservoir Park | Markham Mayhem | 4 | Sons of Pitches | 6 | Season |
| Sun Sep 21 @ 6:45 PM | Crosby Park | Sleep N' Forget | 21 | Markham Mayhem | 4 | Season |
| Sun Sep 28 @ 4:15 PM | Crosby Park | Master Batters 2.0 | 18 | Markham Mayhem | 13 | Season |
| Sat Oct 4 @ 10:30 AM | Victoria Square Park | Brews On First | 2 | Markham Mayhem | 11 | Playoffs |
| Sat Oct 4 @ 11:45 AM | Victoria Square Park | Master Batters 2.0 | 6 | Markham Mayhem | 13 | Playoffs |
| Sat Oct 4 @ 2:15 PM | Victoria Square Park | Trailblazers | 8 | Markham Mayhem | 9 | Playoffs |
| Sun Oct 5 @ 2:00 PM | Crosby Park | Trailblazers | Markham Mayhem | Semis |