0 column = Number of overtimes Yankton SD vs Sioux City West Date Team Score Opponent Score O Notes 09-08-1972 L Yankton SD 12 U Sioux City West 14 09-10-1976 W Yankton SD 27 U Sioux City West 20 09-09-1977 W Yankton SD 34 U Sioux City West 8 09-08-1978 W Yankton SD 9 @ Sioux City West 6 09-07-1979 W @ Yankton SD 17 Sioux City West 14