NFL's 10 most significant offseason moves at QB

Despite a quarterback-laden 2014 NFL draft unfolding next month (Johnny, Blake or Teddy anyone?), it has been another typically active offseason on the league's ever-spinning quarterback carousel. By my count, 16 teams -- or half the league -- have experienced a change of some sort in either their starting or backup QB situations. Here's my quick-take ranking of the 10 most significant moves we ...