This is sobering in a way so don't read of you are over anxious already!   History tells us the NFL is terrible at evaluating quarterbacks     Bill Barnwell ESPN Staff Writer    We could come close to an NFL record this year before any players take a snap. There are five quarterbacks who could come off the board on Day 1 of the draft, which would tie the 1999 draft for the second most since the merger. The only draft to post six first-rounders is the lege