On a day of amazing deals, the 49ers keep Blaine Gabbert

With a little luck, no more transactions will be made between now and midnight. Because on a day of unprecedented activity, of trades unimagined and franchise-level players switching teams, nothing can top this. Blaine Gabbert keeps finding work. According to Chris Mortensen of ESPN, the 49ers have signed their backup quarterback to a two-year, $2 million…