More than that, though, the past month is a good time to look back on history while comparing some of the great teams and players to have ever graced the gridiron.  With that in mind, we've got one final historical list to throw at you this summer,

The Los Angeles Chargers and Detroit Lions already have kicked off training camp. Rookies for several other teams have also reported.

Rookies got first dibs for many teams before the veterans get a couple extra days of rest and relaxation in the summer. No teams will start earlier than the Los Angeles Chargers and Detroit Lions, however,