Judging by history, the Red Sox will have no trouble competing for a title with either (left to right) Nick Green, Jed Lowrie or Julio Lugo playing shortstop.
It's simply an accepted part of life as a follower or fan of baseball, learned in Little League - when the team all but automatically plugs its best player into the position - and largely reinforced at each level up the ladder. It's a product of the incredible athleticism required by those who play it best, and a suggestion… 0