Knights victorious on 'Coach Derek Robey Day'

SIOUX FALLS, SD (KELO) -- The longtime head boys basketball coach at O'Gorman High School coached his final regular-season home game Thursday night, leading the Knights to a 59-56 win over Mitchell. Derek Robey will soon be retiring after 40 years of coaching that included 21 seasons at O'Gorman. Derek Robey tried to approach Thursday [...]