A few hundred tickets were not needed by the Browns and Bills, according to Mark Wagner, the Packers' director of ticket operations.
Tickets can be purchased online or in person at the Packers' ticket office.
Tickets also are available for the Family Night Scrimmage, set for Saturday, Aug. 8. The ninth-annual event features an offense vs. defense scrimmage, a jersey giveaway and fireworks.
Tickets, priced at $10, are available online by calling Ticketmaster at 1-800-745-3000, at the Packers' ticket office or at Ticketmaster locations.
Family Night begins at 5:30 p.m., with drills at 6:30 p.m. and the scrimmage at about 7:30 p.m. Afterward, about 20 scrimmage-worn jerseys will be given away and fireworks will conclude the event.
— The annual Shareholders Meeting begins at 10 a.m. Thursday at Lambeau Field.
— Mike McCarthy's season-opening news conference will be on Friday afternoon.
— The first practice of training camp is set for 2 p.m. Saturday on the new Ray Nitschke field. The team practices at 8:45 a.m. and 6:30 p.m. on Sunday.