The league’s 32 teams are a combined $602 million beneath the salary cap — the Eagles have $6.9 million to spare — 36% higher than the amount of reserves around this time last year. That’s an average of nearly $19 million per team or, in total, enough to field four full rosters. The flush coffers highlight a peculiar reality across the league this year: Most teams in the league could be better. They chose not to be: