A potential competition for the San Francisco 49ers' No. 2 quarterback job might have dissipated before it really began.Around the NFC West: Aug. 26, 2013Colt McCoy is the guy behind the No. 1 guy, coach Jim Harbaugh told reporters Sunday night following a 34-14 victory over the Minnesota Vikings at Candlestick Park.A chronology provides some context:March 12: The trade sending backup Alex Smith to Kansas City becomes official.April 2: The 49ers acquire McCoy to be their presumed No.