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Grading NBA Mock Drafts 2013 From Best To Worst

NBA Draft 2013 started with a huge surprise at the top and remained unpredictable through the rest of it.
Because I once again gathered data for my project accuracy of NBA mock drafts I accidentally measured just how unpredictable it was! Here are some key statistics… I processed 263 NBA mock drafts and among them:
Only 4 mock drafts had Anthony Bennett going number 1. F-O-U-R! That’s below 2 percent!
Congratulations to Todd Salem, Greg, Trey and Jason Quint for a really bold prediction which turned out to be accurate but, interestingly, overall their mocks were average.

66 different players appeared in at least one first round mock draft and I have to give props to Tim who was the only one with Solomon Hill included.

Around 22% of mock drafts nailed selection of Victor Oladipo at number 2 but only 6 mocks had Cody Zeller 4th to Bobcats, 21 mock drafts had Alex Len at #5, only 3 mocks had Ben McLemore at #7 and…
literally NOBODY had Nerlens Noel being drafted at #6!! How is that for unpredictable top picks?!?
For comparison, among Top7 picks in mock drafts in 2012 only Dion Waiters and Harrison Barnes were surprises on a similar scale.

On the other side, Otto Porter was at #3 in majority of mocks – 73% to be precise.

With all that said you can see why it wasn’t a great year for mock drafts’ accuracy but despite such wild Top7 and lower average score than in previous years, people at the top still managed to distance themselves from others. So…Who Had The Best and Worst 2013 Mock Drafts on the Internet?

To answer this question here’s what I did:

1) after the draft lottery I saved on my hard drive pages from as many first round mock drafts as I could quickly gather. Mostly from widely known authors/sources but I also added many googled ones and tried to include authors from last years’ post [hence the growth]. I repeated this exercise weekly up to the day before actual NBA Draft when I had a final push for the data.
In 2011 I checked 33 mock drafts, in 2012 I expanded efforts to 122, this year I ended up with 263 NBA Mock Drafts. So my quest to cover every mock available on the web continues ;-)

2) I graded every mock by an average absolute difference between the mocked and actual picks.
So for example, if you had Nerlens Noel at number 1 in your mock draft your score for #6 [where he went] was “5” but if you had him at #9 you would get a score of “3”. Simple, right?
I did the aforementioned thing for every pick in every mock and calculate an average for the entire first round so the lower the number the more accurate mock was. Players who were predicted as first rounders but were drafted in the second round counted but if a player went undrafted his position was “61”.

There are three important notes about this excercise:
– because I tried to capture content which was quickly changing some of the links provided won’t work. It’s not my fault that people use the same address or page for often changing content. I could just upload those saved files but that probably wouldn’t be legal so I just posted a PDF file with every pick of every mock I’ve processed.

– as in previous years, I didn’t try to include versions of mocks published in the last hours before the draft because not only I don’t want to chase last minute updates or rumors from teams or possible leaks but I also question the value of such mocks which are online for 50 minutes… especially when at this point you can just wait for the real event.

– it’s kind of obvious but, as a remainder, please don’t assume that mock drafts represent entire value of those sites or authors. Even if someone had a really good/bad mock it doesn’t mean their analysis of players was good/bad too. It may have been, I don’t know, I didn’t include it in any way.

OK, let the mock draft challenge begin! Here are the results…

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Posted by on July 2, 2013 in Expanding Horizons

 

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