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billharris44 · 08-26-2009, 09:07 PM

Matt,
It was comparing actual video footage of Devin Hester with his speed in the game. Here's the post from the original thread (I'll probably pull some of these research posts over). This is a copy of a post I made on my blog.
***
I received some very interesting e-mail after the original slider post. In particular, there were some excellent e-mails on player speed and how times at the scouting combine translate to speed on a football field. After several of these discussions, I realized that the idea of using combine times to establish top player speed was problematic. There are two huge advantages to using combine times--they're readily available, and the conditions are the same for everyone--but trying to calculate the proper adjustment to "football speed" is very subjective.

So let's try something else.

I spent a good part of the morning looking for clips of Devin Hester on YouTube. In particular, I found this:
http://www.youtube.com/watch?v=tI8oQ167Xio.

That video shows every kickoff and punt return for touchdowns by Devin Hester in the 2006-2007 NFL season. I wanted to see how quickly he could run 40 yards--not from a standing start, but when he was already running at or near top speed.

You can take a look for yourself, and damn, Devin Hester is fast.
1. First clip in the video, a punt return against the Packers. He doesn't run in exactly a straight line, but it's fairly close. Time from his 40 too the Packers' 20: 4.31 seconds.
2. At the 3:40 mark in the video, indoors against the Rams. Time from his 45 to the Rams' 15: 4.15 seconds. This is the clip where he's closest to running all out from the start of the timing window.
3. At the 5:40 mark, his time from the 40 to the opponent's 20: 4.35 seconds.

I found one more clip on an additional video and timed 4.35 there as well.

Okay, so we now have indisputable proof that Hester can run 40 yards on a football field, in pads, in 4.35 seconds (or faster). However, he's already running at speed (or fairly close) when the timing starts. So is there any way to duplicate this in the game?

I went back onto the practice field, but this time, instead of timing Hester from the Line of scrimmage, I timed him from 10 yards into his streak pattern--he wasn't quite at top speed yet, but he was close, and it's a good match for what I saw on the video.

Here are the times (yes, I timed him multiple times at each game speed):
Very Fast--4.25 seconds
Fast--4.40 to 4.45 seconds
Normal--4.6 seconds

I think you can make the case, since he was running an absolutely straight pattern in the game, that "Very Fast" is probably the closest match. However, "Fast" is very close as well. I think it's more a question of personal preference in terms of how you like the game to look and feel.

08-26-2009, 09:07 PM	#4
billharris44 Pro OVR: 11 Join Date: Oct 2002	Re: Bill's v3 Realism Sliders Matt, It was comparing actual video footage of Devin Hester with his speed in the game. Here's the post from the original thread (I'll probably pull some of these research posts over). This is a copy of a post I made on my blog. *** I received some very interesting e-mail after the original slider post. In particular, there were some excellent e-mails on player speed and how times at the scouting combine translate to speed on a football field. After several of these discussions, I realized that the idea of using combine times to establish top player speed was problematic. There are two huge advantages to using combine times--they're readily available, and the conditions are the same for everyone--but trying to calculate the proper adjustment to "football speed" is very subjective. So let's try something else. I spent a good part of the morning looking for clips of Devin Hester on YouTube. In particular, I found this: http://www.youtube.com/watch?v=tI8oQ167Xio. That video shows every kickoff and punt return for touchdowns by Devin Hester in the 2006-2007 NFL season. I wanted to see how quickly he could run 40 yards--not from a standing start, but when he was already running at or near top speed. You can take a look for yourself, and damn, Devin Hester is fast. 1. First clip in the video, a punt return against the Packers. He doesn't run in exactly a straight line, but it's fairly close. Time from his 40 too the Packers' 20: 4.31 seconds. 2. At the 3:40 mark in the video, indoors against the Rams. Time from his 45 to the Rams' 15: 4.15 seconds. This is the clip where he's closest to running all out from the start of the timing window. 3. At the 5:40 mark, his time from the 40 to the opponent's 20: 4.35 seconds. I found one more clip on an additional video and timed 4.35 there as well. Okay, so we now have indisputable proof that Hester can run 40 yards on a football field, in pads, in 4.35 seconds (or faster). However, he's already running at speed (or fairly close) when the timing starts. So is there any way to duplicate this in the game? I went back onto the practice field, but this time, instead of timing Hester from the Line of scrimmage, I timed him from 10 yards into his streak pattern--he wasn't quite at top speed yet, but he was close, and it's a good match for what I saw on the video. Here are the times (yes, I timed him multiple times at each game speed): Very Fast--4.25 seconds Fast--4.40 to 4.45 seconds Normal--4.6 seconds I think you can make the case, since he was running an absolutely straight pattern in the game, that "Very Fast" is probably the closest match. However, "Fast" is very close as well. I think it's more a question of personal preference in terms of how you like the game to look and feel.