A Look at How a Quarterback Scores The Worst Possible QBR Rating

Published on January 9th, 2022 1:21 pm EST
Written By: Dave Manuel



How are the QBR ratings calculated in the NFL? The QBR (passer rating) ranges from 0 to 158.3.

0 is absolutely awful, and 158.3 is unbelievably good (and quite rare).

Negative numbers aren't possible with the QBR scoring system, as all negative numbers are rounded up to zero.

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In order to achieve a 0 QBR rating, quarterbacks need to do ALL of these things in a single game:

1. Post a completion percentage of 30.0% or less

2. Average no more than 3.0 yards per attempt

3. Throw for no touchdowns

4. Have an interception/attempt percentage of no lower than 9.5%

In order to score a 0 QBR rating, Quarterbacks need to do all of these things.

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Let's take a look at an example of a 0.0 QBR game, which was posted by Atlanta quarterback Josh Rosen on November 14th, 2021.

In the game, Rosen posted this stat line:

1/6
14 yards
0 Touchdowns
1 Interception

Rosen posted a completion percentage of 16.6%.

Rosen averaged 2.3 yards per attempt (6 total attempts).

Rosen threw for 0 touchdowns.

Rosen threw for 1 interception.

Add all of that up and you have a 0.0 game.

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Some of the best quarterbacks in the history of the game have had terrible days where they posted a 0.0 QBR rating.

This list includes Terry Bradshaw, Warren Moon and Peyton Manning.

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