The Los Angeles Chargers and Detroit Lions already have kicked off training camp. Rookies for several other teams have also reported. All veterans across the league are due this week. The NFL season is underway. The road to San Francisco for Super Bowl 60 begins in the grueling summer heat. Some teams have new coaches. A couple of old coaches have new teams. Star players have switched uniforms. There are position battles to determine. And, plenty of storylines to watch. Jalen Hurts, Saquon Barkley and the Philadelphia Eagles aim for a repeat. Patrick Mahomes and the Kansas City Chiefs look to rebound after being denied the first three-peat in Super Bowl history.