Under Chip Kelly, the Eagles can put up some points. And a big part of Chip Kelly’s offense, both at Oregon and in Philly, is the zone read option. But plenty of fans we talked to asked: What is a zone read, anyway? Fortunately, the Eagles’ cheerleaders are here to explain.

Kelly’s offenses are also known for being up-tempo, no-huddle systems. Besides tiring the defense out, the cheerleaders are here to tell you other reasons teams are going no-huddle.

(Previously: The USC Song Girls explain college football’s “ineligible receiver downfield” rule.)