GrogansArmy

I just don't understand it. Brady had a perfect QB rating today, yet he had incompletions. How does that make it perfect? He was also sacked, but I could see how sacks wouldn't count in QB rating. He had no interceptions, is that what makes it perfect? Hm but then there would be lots of perfect QB ratings every week.

Thirdbasekid24

Passer rating - Wikipedia, the free encyclopedia

quite the formula

AndyJohnson

Qb rating is made up of comp %, ypa, Int % and TD %.
Essentially, the 'perfect' rating is 158.3 and that represents meeting or exceeding the number in each of those categories that was the best achieved for a season in NFL history up to the date the formula was devised.
QB rating amounts to a scale to those maximums.

ctpatsfan77

(A) Remember the technical name is passer rating, not "QB rating." It only counts pass attempts.

(B) The NFL version of the formula is designed in such a way that "perfection" corresponds to four criteria:
* >77.5% completion rate (Brady had 21/27, or 77.777%)
* >12.5 yards/attempt (Brady had 12.63)
* >0.11875 TDs/attempt (Brady had 0.148)
* 0 INTs

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"Momentum was quickly snatched away by New England, who once again proved that any Patriot, at any moment, can make a play." —Inside the NFL, Packers v. Patriots

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GrogansArmy

Thanks for the link. I have a headache now.

"This makes the maximum possible quarterback rating for the NFL 158.3. A perfect rating requires at least a 77.5% completion rate, at least 12.5 yards per attempt, a touchdown on at least 11.875% of attempts, and no interceptions."

This seems convoluted and unnecessarily complicated. According to the above, wouldn't that mean that if a back up came in, threw one pass for a TD (for over 12.5 yards) and left the game, he'd have a perfect passer rating? Doesn't really make sense, least to me.

AndyJohnson

Yes it does,.
It scales every QB perfomrance PER ATTEMPT vs the best single season reocrd (separately) in each category.
It is BY FAR the most flwaed stat in any sport that is given validity.

ctpatsfan77

Yes, but the NFL doesn't recognize it as a perfect performance unless a player throws (IIRC) 10+ passes.

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"Momentum was quickly snatched away by New England, who once again proved that any Patriot, at any moment, can make a play." —Inside the NFL, Packers v. Patriots

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neuronet

Glad to see this thread. It got me thinking, what if we had a subforum or permanent thread for people to ask "stupid" football questions. For instance, the difference between a 3-4 and 4-3 defense? A lot of people on this board are crazy knowledgable about football, basically a PhD, whereas I am in nursery school.

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Ice_Ice_Brady writes:
The difference is that Brady calmly calls audibles while Manning flaps like a chicken, barks 11 code words, and makes sure every camera in the stadium has documented his once-in-a-generation (and patented, I believe) ability to see a defensive formation and change the play. Both have the same effect, but Manning transcends measurable human intellect while Brady merely chooses a different play.

RayClay

People that want to ask serious football questions, no matter how basic, should be honored here. It's the trollish exclamation point crowd harping about the same stuff that gets annoying.

There are plenty of fans here who aren't X and O guys that still enjoy learning from those who are more expert.

I think your idea for a subforum is good, but consider how many hysterical threads you could bump down one, by starting a thread asking a simple question, as you propose.

Realizing I'll never know half what many here have forgotten, I tend to read a lot more than I post, especially about technical issues. Certain posters explain things very well, others I find hard to decipher.

I say, have a question, start a thread. I was going to name the posters I think explain things best, but it could be different for you, so just go for it.

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PatsFanSince74

I'll admit that I'm tired, that it's been a long day taking care of guests and that I had a bit of wine at Thanksgiving Dinner, but, with all respect to the Wikipediasts, in Step "a" of the formula you multiply by .05, not by 5, in step "c" you multiply by .20 not by 20 and in step "d" you multiply by .25 not by 25. I just tried Brady's numbers today using those calculations and, sure enough, I get the "perfect" 158.33.

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