Add Saturday do-or-die drama to the Friday night lights landscape as this weekend the Round of 16 playoffs are underway for high school footballers:

4A - Chiawana Riverhawks vs. Bothell Cougars

Saturday November 10th, 1:00 p.m. at Edgar Brown Stadium in Pasco. The winner of this contest plays the winner of Skyline and Union. The Union Titans are unbeaten and the overall Number One seed.

3A -  Kamiakin Braves vs. O'Dea Fighting Irish

Friday November 9th, 5:00 p.m. at Memorial Stadium in Seattle. This winner of this contest plays the winner of Bethel and Peninsula.

2A -  Prosser Mustangs vs. Tumwater Thunderbirds

Saturday, November 10th, 1:00 p.m. at Tumwater Stadium. The winner of this contest will play the winner of Eatonville and Lynden.

1A -  Royal Knights vs. Riverside Rams

Friday, November 9th, 7:00 p.m. at Royal High School. Royal the unbeaten #1 seed. The winner of this contest plays the winner of Mt. Baker and Montesano.

1A - Connell Eagles vs. Colville Indians

Saturday November 10th, 1:00 p.m. at Colville High School. The winner of this contest plays the winner of Elma and Meridian.

1A - Zillah Leopards vs. Klahowya Eagles

Friday November 9th, 6:00 p.m. at Zillah High School. The Leopards are unbeaten and the Number Two seed...if they win, they face the victor in the Newport and La Salle contest.

2B - Tri-Cities Prep Jaguars vs. Wahkiakum Mules

Saturday November 10th, 1:00 p.m. at Chiawana High School. TC Prep is unbeaten, and if they can stay that way, they'll face the winner of Reardan and Toledo.

2B - Liberty Christian Patriots vs. Kalama Chinooks

Saturday November 10th, 1:00 p.m. at Chinook Stadium in Kalama. If the Richland school can pull off an upset, they'd play the winner of Pe Ell/Willapa Valley and Northwest Christian School.

Follow the brackets for all classifications here.