Originally Published: August 22, 2007

Manning must improve accuracy

KC Joyner's newest metric is designed to give more information as to why an interception occurred.

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Joyner By KC Joyner
ESPN Insider
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The new metric to be introduced this week is "interception types." This metric is designed to give more information as to why an interception occurred. This is actually something I have tracked in the past, but I expanded on it some in "Scientific Football 2007" by grouping some of the interception types together in new ways.

Interceptions can be divided into five main types:

1. Interceptions due to inaccurate passes
2. Picks that happen because the quarterback was hit while throwing the ball
3. Passes tipped at the line of scrimmage by defensive players and intercepted
4. Interceptions off dropped passes by receivers
5. Bad decisions leading to interceptions

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