When: 7 p.m.

Where: 1501 W. Guadalupe Rd., Mesa (Dobson High School)

Key matchup: Quarterback Spencer Stone and the Chaparral passing game are running as fluidly as they have all year. The Sabercats’ biggest weakness is their pass defense, and the Firebirds must take advantage of that to keep pace.

Key stat: 17. The number of games Saguaro has won in a row. It’s last loss was to Chaparral, 24-21 on Oct. 27 of last year.

The Intrigue: A semifinal game doesn’t get much bigger than this. Saguaro won the regular season matchup 31-28 at Chaparral, but the Firebirds rallied from 21-0 and had the ball with a chance to win in the fourth quarter. The winner will play either Tucson Canyon Del Oro or Peoria in the state title game.