Matchup · 2026
South O'Brien at Alta-Aurelia
Projected line
Alta-Aurelia at home
South O'Brien -8.0o/u 50.5
South O'Brien 29 · Alta-Aurelia 21
68%
South O'Brien at home
South O'Brien -10.0o/u 50.5
Alta-Aurelia 20 · South O'Brien 30
72%
Neutral site
South O'Brien -9.0o/u 50.5
South O'Brien 30 · Alta-Aurelia 21
70%
| Site | Line | Total | Win prob | Score |
|---|---|---|---|---|
| Alta-Aurelia at home | South O'Brien -8.0 | 50.5 | 68% | South O'Brien 29 · Alta-Aurelia 21 |
| South O'Brien at home | South O'Brien -10.0 | 50.5 | 72% | Alta-Aurelia 20 · South O'Brien 30 |
| Neutral site | South O'Brien -9.0 | 50.5 | 70% | South O'Brien 30 · Alta-Aurelia 21 |
Series history
12–6
South O'Brien leads
18
Meetings · 1988–2025
6–4
Last 10 · South O'Brien
1
South O'Brien streak
Biggest wins
South O'Brien
35-0 · 1989+35
29-0 · 2011+29
36-14 · 2021+22
Alta-Aurelia
28-0 · 2015+28
32-7 · 1994+25
44-27 · 2023+17
Runs & venue
Longest streak: South O'Brien 5 straight, 1988–1993
Home team: 7-10 · 1 neutral
Playoff meetings: 0
Average margin: 14.9 · decided by 7 or less: 6
By decade · avg margin, Alta-Aurelia view
| 2020s | 2-3 | -3.0 |
| 2010s | 2-4 | -6.0 |
| 1990s | 2-2 | +3.8 |
| 1980s | 0-3 | -17.0 |
| Season | Result | Model line |
|---|---|---|
| 2025 Oct 24 | South O'Brien 26-22 N | Alta-Aurelia -2.5 no cover |
| 2024 Sep 27 | Alta-Aurelia 34-33OT at Alta-Aurelia | Alta-Aurelia -1.0 push |
| 2023 Sep 22 | Alta-Aurelia 44-27 at South O'Brien | Alta-Aurelia -1.5 covered |
| 2022 Sep 16 | South O'Brien 14-7 at South O'Brien | South O'Brien -13.0 no cover |
| 2021 Sep 17 | South O'Brien 36-14 at Alta-Aurelia | South O'Brien -3.0 covered |
| 2019 Sep 13 | South O'Brien 15-0 at Alta-Aurelia | — — |
| 2018 Sep 7 | Alta-Aurelia 22-9 at South O'Brien | — — |
| 2015 Oct 2 | Alta-Aurelia 28-0 at South O'Brien | — — |
| 2014 Oct 3 | South O'Brien 17-0 at Alta-Aurelia | — — |
| 2011 Oct 7 | South O'Brien 29-0 at South O'Brien | — — |
| 2010 Oct 8 | South O'Brien 23-7 at Alta-Aurelia | — — |
| 1995 Oct 20 | Alta-Aurelia 20-13 at Alta-Aurelia | — — |
| 1994 Oct 21 | Alta-Aurelia 32-7 at South O'Brien | — — |
| 1993 Oct 22 | South O'Brien 27-25OT at Alta-Aurelia | — — |
| 1992 Oct 23 | South O'Brien 29-14 at South O'Brien | — — |
| 1989 Sep 29 | South O'Brien 35-0 at South O'Brien | — — |
| 1988 Oct 28 | South O'Brien 18-16 at South O'Brien | — — |
| 1988 Sep 30 | South O'Brien 28-14 at Alta-Aurelia | — — |
Every recorded meeting in Brent Moore's all-time archive. Model lines appear for seasons whose archive pages have been built (2021 on, plus any older season you have opened).