0 column = Number of overtimes Rapid City SD vs Sioux City Central Date Team Score Opponent Score O Notes 10/20/1961 L Rapid City SD 12 @ Sioux City Central 20 10/19/1962 W @ Rapid City SD 16 Sioux City Central 13 09/22/1967 W @ Rapid City SD 20 Sioux City Central 0 09/20/1968 W Rapid City SD 28 U Sioux City Central 19