Mark Morris Rivalries by Opponent
Castle Rock Rockets
First meeting: Sept. 17, 1983 - Mark Morris 30, Castle Rock 6
Latest meeting: Sept. 11, 2026 - Mark Morris 55, Castle Rock 7
Next meeting: 2027
Meetings total: 12
All-time series: Mark Morris Leads 7-5
League series: n/a
Post-season series: n/a
Largest victory: Mark Morris, 48-14 (2018)
Longest win streak: Mark Morris, 2 (1983-1984 & 2003-2004) and Castle Rock, 2 (2019-present)
Current win streak: Mark Morris, 1 (2026-present)
| Castle Rock Victories | Mark Morris Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Sept. 17, 1983 | at Mark Morris | 30 | Castle Rock | 6 | |
| 2 | Sept. 14, 1984 | at Mark Morris | 14 | Castle Rock | 10 | |
| 3 | Sept. 24, 1999 | Castle Rock | 14 | at Mark Morris | 6 | |
| 4 | Sept. 22, 2000 | Mark Morris | 22 | at Castle Rock | 14 | |
| 5 | Sept. 13, 2002 | at Castle Rock | 24 | Mark Morris | 7 | |
| 6 | Sept. 12, 2003 | at Mark Morris | 20 | Castle Rock | 6 | |
| 7 | Sept. 10, 2004 | Mark Morris | 14 | at Castle Rock | 0 | |
| 8 | Sept. 9, 2005 | Castle Rock | 48 | at Mark Morris | 41 | |
| 9 | Sept. 6, 2018 | at Mark Morris | 48 | Castle Rock | 14 | |
| 10 | Sept. 13, 2019 | at Castle Rock | 30 | Mark Morris | 20 | |
| 11 | Sept. 3, 2021 | Castle Rock | 38 | at Mark Morris | 20 | |
| 12 | Sept. 11, 2026 | Mark Morris | 55 | at Castle Rock | 7 | |