LeSean McCoy has praised the tempo of the Philadelphia Eagles' offense following their 14-9 pre-season win over the Carolina Panthers.
New head coach Chip Kelly has been running fast-paced drills during the NFC East side's training camp.
The running back told the Eagles' website: "I think everything Coach Kelly has taught us and told us about this offense is honest and he was correct as far as the fast tempo and getting the defense off-balance. It's hard for them to get their defensive calls on because we're going, we're going, we're going. We're fast.
"I think the tempo is definitely effective. I think also when you execute and you know what you are doing it's effective. If we minimise the small mistakes and kind of focus in on capitalising on all of our plays, we'll be fine.
"In this type of offense, it's so different because we go at a fast tempo, a fast pace. You want to get that conditioning as far as running where the tempo, play after play after play. It's crazy because I saw how tired the defense was. Imagine if it was four quarters with this type of tempo. It shows you how effective this offense will be."
The Eagles are still to face the Jacksonville Jaguars and New York Jets this pre-season.