Published: August 31, 2010
I’ve got to admit, I’m still new to this whole ‘giving fantasy advice’ thing (can you believe it’s been less than a year!) and I made a mistake. I didn’t make this mistake in other sports, but I did here. I forgot to emphasize the fact that I am ranking players based on a scoring format suitable for most leagues, but not all. I forgot to emphasize that you need to go out there and determine the appropriate game plan for your league so we can strategize. You see, in most leagues, RB’s and WR’s have the highest value and QB’s come third. But, in some leagues, this is not the case. More importantly, I’m now going to tell you how to tell which is.
The actual way to determine which position is most valuable is by using a statistical concept called the standard deviation. In finance, we use the standard deviation to determine things like how risky a stock is, how risky a portfolio is, and more generally, how much movement you can expect the stock to have. The higher the standard deviation, the more risky the asset or portfolio is (bet you’re glad I’m droppin this finance knowledge on ya!). But really what we’re talking about is how much movement there is in the numbers.
Now we relate it to sports before I get you all messed up. A standard deviation as it relates to sports essentially tells you how much the set of numbers vary. More specifically, when applied to the total points scored per player (i.e. AP and CJ around 300, but Maroney at 100) it tells you the average difference between each players score. So a lower standard deviation relative to a higher one means that the lower one has a group of players whose scores do not deviate as much from the average player as the higher one.
So what I do is drop into excel the draftable players at each position for a league. Realistically that’s like 20 qb’s, 35 rb’s and 50 wr’s, 18 TE’s. From there I calculate out either their points from last season or the points I project for them this season (it doesn’t matter which). I then use the STDEV formula to get a standard deviation for each position. Of course, I could tell you mathematically the formula too, but excel makes life so much easier.
I remember back in basketball I had done this for you all, but as opposed to position I did it based on stats (which is kind of the same thing in basketball). I apologize for not doing it til so late for football. So again, the standard deviation is going to tell us which position in football has players that vary the most from the average drafted guy. By doing so, it’s telling us where to focus our draft attention, since the lowest standard deviation position is the one where we can afford to have just an average player, since we won’t lose as many relative points.
Fortunately for you all, since I do realize that I’m a bit more of a numbers geek than the rest of us, there’s a quick and dirty way to do this too. It involves just looking at the differences in points scored between a top player and a middle player (I like to use 2-9 because they’re readily available). This method is probably more intuitive to you. It’s like saying which combination of WR/RB/QB/TE will give me the most points if I have to choose two players of the four from the top tier and two from the middle of the pack.
So, here’s what we get for the football position standard deviations:
QB: 36
RB: 75
WR: 41
TE: 23
I refuse to list kicker and defense. I hope the result would be obvious. Hopefully RB leaps off the page for you, because it should. There is so much value to having top backs that it’s unspeakable. However don’t overstate the numbers too. Going out and drafting two top backs at the expense of all three other positions is not the way to win (though it would be better than drafting the other three at the expense of RB). This is why I keep hammering home that you need to structure your spending/draft picks by focusing on RB’s and WR’s first, then QB, then the rest. As I write this Lady Thief is in another mock auction draft lamenting an idiot for paying $50 for Drew Brees.
Now, like I said, I owe you an apology. These standard deviations are based off of standard scoring systems. That is, for RB 10 yds per point, 6 points for a td. For WR it’s 7 yards per point (which helps account for PPR leagues somewhat) and 6 points per TD. For QB’s it’s 25 yards per point, 4 points for a TD and -2 for picks.
Some of you play in leagues that differ greatly from this standard setup. That’s ok, but it’s something you need to know well ahead of draft time. I say this because it changes every single ranking system you read from mine to Yahoo’s to Joe Schmoe’s. The mistake that so many people make is to go to their waiver pool, sort by fan pts of last year, and just look at the points scored by the top guy. This tells you nothing about the value of a position vs. another. It’s the differential between guys at that position that we need to focus on. If Brees scores 1000 points, and Favre scores 950 whilst AP scores 300 and Ryan Grant scores 100, it’s the RB’s that are giving you the edge in points.
So everyone, please, if you use a scoring format that varies wildly from mine, go to your waiver pool and do the 2-9 test. This is the quickest and easiest way to see which positions will offer the most value (and by the way, if anything, it understates the value of WR and RB due to the increased amount of those guys you have to draft). However, if you use a standard system or one that’s pretty darn close to the one I listed, rest at ease. We’re set to take the gold.
I hope you all found this helpful. I’ve got draft #2 tonight and I’ll be updating on Twitter if you’re interested (and may even be looking for tips from you!). It’s an auction draft, as run by Lady Thief herself which has me somewhat nervous going into it. If you think my competitors who read this site know something about my gameplan, trust me, they know little compared to her. Oh, and for all those who don’t know, I promise you that my wife knows more about football than most people could ever hope for. Heck, that’s one reason I married her!
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