Series history · 1964–1981
Royal Clay Central vs Sioux Valley
A Last season in archive: 1985
Royal Clay Central1A Last season in archive: 1981
Sioux ValleyNo projected line: at least one of these programs is not in the 2026 season file.
Series history
10–2
Royal Clay Central leads
12
Meetings · 1964–1981
8–2
Last 10 · Royal Clay Central
1
Sioux Valley streak
Biggest wins
Royal Clay Central
50-0 · 1973+50
47-0 · 1965+47
48-8 · 1979+40
Sioux Valley
13-0 · 1966+13
7-6 · 1981+1
Runs & venue
Longest streak: Royal Clay Central 8 straight, 1969–1979
Home team: 8-4
Playoff meetings: 0
Average margin: 24.3 · decided by 7 or less: 2
By decade · avg margin, Sioux Valley view
| 1980s | 1-0 | +1.0 |
| 1970s | 0-7 | -29.7 |
| 1960s | 1-3 | -14.0 |
| Season | Result | Model line |
|---|---|---|
| 1981 Oct 16 | Sioux Valley 7-6 at Sioux Valley | — — |
| 1979 Sep 14 | Royal Clay Central 48-8 at Royal Clay Central | — — |
| 1978 Sep 15 | Royal Clay Central 40-0 at Royal Clay Central | — — |
| 1975 Sep 19 | Royal Clay Central 16-6 at Royal Clay Central | — — |
| 1973 Sep 14 | Royal Clay Central 50-0 at Royal Clay Central | — — |
| 1972 Sep 15 | Royal Clay Central 22-0 at Sioux Valley | — — |
| 1971 Sep 10 | Royal Clay Central 18-0 at Royal Clay Central | — — |
| 1970 Sep 11 | Royal Clay Central 44-16 at Sioux Valley | — — |
| 1969 Sep 5 | Royal Clay Central 29-23 at Royal Clay Central | — — |
| 1966 Oct 28 | Sioux Valley 13-0 at Royal Clay Central | — — |
| 1965 Oct 22 | Royal Clay Central 47-0 at Royal Clay Central | — — |
| 1964 Oct 23 | Royal Clay Central 16-0 at Sioux Valley | — — |
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).