San Francisco 49ers QB Colin Kaepernick Reportedly On The Trade Block March 9, 2015 on News, Source Sports, source sports by Rocko Rathon San Francisco 49ers QB Colin Kaepernick Reportedly On The Trade Block March 9, 2015 on News, Source Sports, source sports by Rocko Rathon Colin Kaepernick’s days in San Francisco could be numbered.