Chargers top pick, quarterback Justin Herbert, focusing on playbook at minicamp

In this Feb. 27, 2020, file photo, Oregon quarterback Justin Herbert runs a drill at the NFL football scouting combine in Indianapolis. Friday, May 8, 2020, would have marked the first time Herbert walked on to the Los Angeles Chargers practice field. But with the coronavirus pandemic shutting down NFL facilities, he is using other ways to try and work with future teammates. (AP Photo/Michael Conroy, File)

COSTA MESA, Calif. — Justin Herbert should have been walking onto a Los Angeles Chargers practice field Friday for the first time. But with the coronavirus pandemic shutting down NFL facilities, he is finding other ways to work with future teammates.