Prosser Mustangs
First meeting: Nov. 23, 2013 - Prosser 41, Mark Morris 22
Latest meeting: Nov. 23, 2013 - Prosser 41, Mark Morris 22
Next meeting: TBD
Meetings total: 1
All-time series: Prosser Leads 1-0
League series: n/a
Post-season series: Prosser Leads 1-0
Largest victory: Prosser, 41-22 (2013)
Longest win streak: Prosser, 1 (2013-present)
Current win streak: Prosser, 1 (2013-present)
| Mark Morris Victories | Prosser Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Nov. 23, 2013 | Prosser | 41 | Mark Morris | 22 | State Playoffs |