Those tickets will be given to season-ticket holders. The Dolphins also bought all unsold tickets for their most recent home game.
Tebow returns to Florida to make his first start of the season for the Broncos. Since the decision to start him was announced last week, more than 10,000 tickets have been sold.
Dolphins attendance has declined with the franchise's recent fortunes, but Miami has avoided any blackouts since the start of the 2001 season.
Copyright 2011 by The Associated Press