It's time to break down the Arizona high school football 5A semifinals with predictions. These games are Friday at 7 p.m. at the higher seed sites. The 5A title game will be played on Dec. 6 at 8 p.m., at Mountain American Stadium, following the 4 p.m., 4A championship game.

The Arizona high school football playoffs continued Friday with the quarterfinals of the Open Division playoffs.

This 4A bracket can be turned upside down this week, as teams head into the football quarterfinals. Walden Grove, Thunderbird, Prescott and Arcadia all are capable of pulling upsets. Four games, four upsets. But there are big obstacles in front of them.

Here is the schedule of Arizona high school football playoff games this Friday and Saturday. The big schools are in the quarterfinals. The small schools have moved into the semifinal round. All games are 7 p.