By Matt De Lima Here’s what it would look like if teams only cared about improving their fantasy numbers. We’re putting a twist on your typical NFL mock draft here at SI Fantasy. Instead of making selections with all positions in mind, let’s pretend every pick is instead focused on improving the team’s fantasy production. So the only players available are quarterbacks, running backs, wide receivers and tight ends. I’ll attempt to keep the players selected in an order true to my own valuation and evaluation, but I also must bend to the whims of the consensus; otherwise, my mock will be totally …