There’s been a shift in power at the Riverdale Baptist School in Upper Marlboro, Maryland .  Rob Garner Steps Away After One Season at Riverdale Baptist Rob Garner has opted to step down as the school’s boys’ head basketball coach.  Garner Reflects on His Decision “It was totally my decision to not return to RBS,” Garner told High School On SI. “Although there’s a lot I could say but I’m just gonna say I knew in my heart RBS wasn’t the place for me.”  Garner guided the Crusaders to a 15-11 record during his lone season coaching at the Prince George’s County, Maryland private school.  A Local Coaching Veteran Garner, a Prince George’s County, Maryland native, played at Potomac High School in Oxon Hill, Maryland and has served as the head coach at various schools throughout the county including Friendly High School, Wise High School and Gwynn Park High School. …