Philip Rivers really did have to do some homework before the opening practice of the first minicamp under new San Diego Chargers coach Mike McCoy.
''I was nervous today calling plays in the huddle I've been practicing at the house,'' Rivers said. ''You get in there and call a play that you've never really called in a live situation before. I know what to do. I can do it on paper. But you have to get out there and call it. It's certainly different.''
McCoy really has changed things that much since taking over for Norv Turner, who was fired after the Chargers missed the playoffs for the third straight season.
Players have been in for workouts and meetings, and McCoy wants to see who's gone home and studied the playbook.
Rivers certainly has.
''It's completely different,'' McCoy said Tuesday after the first practice of a three-day voluntary minicamp. '' It's no longer what he's done in the past and we're moving forward with a new system for him.''
New offensive coordinator Ken Wh...