FanPost

QB Passer Rating is Flawed


Does anyone know how to calculate the QB passer rating and know the factors that are used to calculate the rating? It is obviously a very complex calculation that I looked up, but it is significantly flawed. There is a calculator available on-line you can use by inputing passing yards, attempts, completions, TD's and INT's.

The intent is to judge a QB as a passer, but it doesn't take into consideration other factors such as sacks and fumbles. If a QB incurs 5 sacks vs throwing the ball away for 5 incompletions then his passer rating is not affected for the sacks, but is negatively affected for an incompletion. If a QB fumbles the ball and the other team recovers it, there is also no affect on the passer rating. Obviously if a QB throws an INT it negatively affects the passer rating.

The nerd that created the calculation may say that it only calculates when a QB passes the ball. Well how about when he attempts to pass it and gets sacked or fumbles.

The point I am leading to is a QB like Peyton doesn't benefit by avoiding sacks and fumbles, while he is negatively affected for incompletions or INT's. Ben R while trying to pass fumbled the ball and the Ravens recovered, but it didn't affect his passer rating. How many times did Ben R get sacked on Saturday and same with Brady yesterday with no affect on their passer rating?

I wonder how passer ratings would look if you used net passing yards adjusted for sacks and treated fumbles lost like INT's. My guess is Peyton Manning would benefit.

I am not arguing who is the best QB here I am just saying factor in sacks and fumbles to get a truer passer rating.

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