(4) Downingtown West at (1) North Penn

Time/Place: 7 p.m. Friday, Wissahickon High School. Records: Downingtown West is 12-1 overall and 5-1 in the ChesMont National. North Penn is 12-0 and 6-0 in the SOL Continental. On Twitter: mpcabrey. On the Air: The game will be broadcast on the radio on WNPV 98.5FM/1440AM. Last Week: The Knights won a defensive battle with Neshaminy, 136. The Whippets won in dramatic fashion over Truman, 24-22. Up Next: The winner advances to next week’s district final against No. 2 Coatesville or No. 3 Garnet Valley. Last Meeting: The Knights rolled to a 51-21 win over the Whippets in the 2008 district semis. Playoff History: The Knights and Whippets met two other times in the postseason, both contests won by North Penn. NP prevailed 21-17 over West in the 2006 district quarters and 35-12 in the 2002 quarters, over what was then Downingtown. Players to Watch: Evan Spann made the big play for the Knights last week, coming up with a clinching interception and touchdown return against Neshaminy. West kicker Dan Byrnes drilled a 39-yard, game-winning field goal in the finals seconds against Truman. Prediction: North Penn Downingtown West 14. @khunter10 and @ 28,

(11) Unionville at (2) Upper Dublin

Time/Place: 7 p.m. Friday, Upper Dublin High School. Records: Unionville is 6-6 overall and 4-1 in the Ches-Mont American. Upper Dublin is 10-1 overall and 6-0 in the SOL American. On Twitter: @emor09. Last Week: The Indians stunned third-seeded Radnor, 28-7. The Cardinals shut out Cheltenham, 27-0. Up Next: The winner advances to next week’s district final against top-seeded Penn Wood or No. 5 West Chester Rustin. Players to Watch: The Cardinals racked up 293 rushing yards last week, including 96 by versatile quarterback, Mike Slivka. Meanwhile, running back Connor Schilling gained 174 yards on the ground for Unionville last week. Prediction: Upper Dublin 33, Unionville 20.

Archbishop Wood at Simon Gratz

Time/Place: 1 p.m. Saturday, Northeast High School. Records: Archbishop Wood is 7-3 overall and 4-2 in the Philadelphia Catholic League Red Division. Simon Gratz is 5-5 overall and 3-2 in the Philly Public League. On Twitter: @khunter10. Last Week: The Vikings held off Archbishop Ryan, 24-17. The Bulldogs advanced with a 14-6 win over Martin Luther King. Up Next: The winner advances to next week’s PIAA-5A Quarterfinals, to take on Hollidaysburg or Wallenpaupack. Players to Watch: Running back Tom Santiago scored the go-ahead touchdown last week for the Vikings and had two scores in all in the victory. Jordan Mariney is a speedy wide receiver for the Bulldogs. Prediction: Archbishop Wood 31, Simon Gratz 7.