There were 3 games for South Dakota Class 11AA football on Fri, 9/10/2021. The featured games were by South Dakota Class 11AA top ranked teams #3 Brookings (SD) @ #6 Watertown (SD), #10 Spearfish (SD) @ #4 Yankton (SD), and #11 Douglas (Box Elder, SD) @ Rapid City Central (Rapid City, SD). The first game, #11 Douglas (Box Elder, SD) @ Rapid City Central (Rapid City, SD), started at 7p.