Three northside teams trying to get their season off to a firm footing will participate in this week’s Flag Football streaming games on Monday from Collins Hill High School in Suwanee. The games will be carried live on GPB.org, YouTube and Twitch.

The tripleheader features Harrison vs. Collins Hill at 5:30 p.m., Harrison vs. Centennial at 6:30 p.m., and Centennial vs. Collins Hill at 7:30 p.m.

Collins Hill (0-1) lost its season opener 27-0 to Peachtree Ridge.

Harrison (0-1) was beaten 19-7 by Woodstock in its first game.

Centennial (1-1) split its first two games. The Knights lost to Alpharetta 19-12 but bounced back to beat Hillgrove 7-6.