After racking up 63 points and over 950 yards of offense between the two weeks of the season, it looked as though Chip Kelly's innovative offense was set to take the NFL by storm.
Then came Thursday night's manhandling by the Kansas City Chiefs.
The Eagles were unable to get anything going in the passing game and were reduced to relying on LeSean McCoy's brilliant play as the only means of creating any explosive plays whatsoever in their eventual 26-16 loss. NFL teams will undoubtedly be taking a look at what the Chiefs did schematically to slow down Kelly's fast-break attack.
In the video above, we touch on a few of the major keys to Kansas City's game plan and how the Chiefs went about shutting down Michael Vick and Co.