Mercer Island Islanders
First meeting: Nov. 4, 2017 - Mercer Island 27, Kelso 26
Latest meeting: Nov. 9, 2024 - Mercer Island 40, Kelso 30
Next meeting: TBD
Meetings total: 2
All-time series: Mercer Island Leads 2-0
League series: n/a
Post-season series: Mercer Island Leads 2-0
Largest victory: Mercer Island, 40-30 (2024)
Longest win streak: Mercer Island, 2 (2017-present)
Current win streak: Mercer Island, 2 (2017-present)
| Kelso Victories | Mercer Island Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Nov. 4, 2017 | Mercer Island | 27 | at Kelso | 26 | Playoffs |
| 2 | Nov. 9, 2024 | Mercer Island | 40 | at Kelso | 30 | Playoffs |