I just got back from my nine-year-old daughter's house league soccer game. Her team won — 3 to 1. But we parents were to keep our enthusiasm to polite clapping. This is "silent soccer" week — no coaxing, cheering or sideline coaching from coaches allowed.
—Jacqueline, "No cheers for silent soccer," Today's Parent, July 27, 2011
If you're the parent or coach of one of the metro area's 20,000 young recreational soccer players, you may have to keep your mouth shut for part of the games this fall...
It's all part of a new movement to adopt a Silent Quarter for 10 to 15 minutes, usually at the start of the second half.
—Ann Carnahan, "There's lots of noise about silent soccer," Rocky Mountain News, June 30, 1996
This form of soccer is also known as silent Saturday (or Sunday) soccer and silent sidelines:
Excellent news from the Jack London Youth Soccer Sports League: This weekend's games will be "Silent Sidelines" games, which means that spectators are being asked to refrain from catcalling, yelling out directions, even cheering during the games.
—Susan Davis, "This Weekend's Soccer: Silent Sidelines," San Francisco Chronicle," September 24, 2010