One of the major complaints about Tim Tebow by those who say he won't make it in the NFL is that he has a slow release. This critique is related to the charge that he has poor mechanics.
I am not a trained coach, but I believe I can show you at least what armchair NFL GMs see in him that causes the real scouts to fret.
I will compare him to Sam Bradford, a guy who was said to be a surefire top-five pick in the draft if he had come out.
All times that I quote here came from studying the national title game frame-by-frame in Avidemux. It's not as precise as professional video gear, but it's close enough for these purposes, and any errors will be consistent throughout.
Here is a sequence showing Bradford's throwing motion. Pay close attention to the second frame, which is where the biggest difference between the two guys come from.
Bradford has a compact throwing motion, which is what NFL scouts are looking for.
In the first frame, he is holding the ball in the classic quarterback stance. Frame two shows the farthest out his arm goes in his windup. You can see that the ball is close to his body and his arm is about at a right angle.
The final two frames finish out his motion. This throw, which is representative of his standard throws, takes about 467 milliseconds to complete.
Here is a sequence of Tebow's motion.
In the first frame, Tebow is in the same starting position as Bradford was in. The second frame shows a very different story, however. The ball is far away from his body, and his arm is almost fully extended.
The final two frames finish out his motion. This was the most extreme example of Tebow's long windup I could find, and it took 734 milliseconds to complete. That time is 267 milliseconds longer than Bradford's throw.
Not every one of Tebow's throws takes this long, but it illustrates the perils of having a longer motion. Even more so in the NFL than in college, a fraction of a second can be the difference between a catch and a tipped ball, and a tipped ball and an interception.
The throw above was Tebow's first interception in the national title game, a pass that was picked off by a safety reading his eyes and jumping in front of a receiver.
As I said, this was the longest delivery I could find for him. I chose it because it makes for the clearest picture. To find out a rough approximation of how much longer Tebow's motion is than Bradford's is, I took a sample of 10 normal passes apiece and timed their motions.
I did not include passes where the players were being hit, throwing on the run, or shovel passes.
I found that Tebow's average time across the 10 passes was 557 milliseconds, with all but one pass taking a half second or more.
Bradford's average release was 487 milliseconds, with the most common time being 467 milliseconds. The difference in average was not great, at just 70 milliseconds.
As I said, though, my ability to time their motions is not exact, and certainly Bradford's motion looks a lot quicker than Tebow's does. Tebow has a habit of bringing the ball down near his waist during his windup, while Bradford generally brings the ball straight back from his neutral stance.
Simple physics says it takes more time to move an object along a longer path, so Tebow's release is labeled "slow." It is not a huge difference, but just think back to Michael Crabtree's catch that beat Texas. If the ball came a tenth of a second later, the defensive back coming to help may have gotten a finger on it.
Florida's new quarterbacks coach Scot Loeffler has been working with Tebow this spring to shorten up the motion. He is also working on getting Tebow to have a "10 o'clock release point," as opposed to the sidearm-like delivery you can kind of see in his fourth frame.
Bradford's fourth frame shows what I would assume to be a two o'clock release point (since he's right handed, and Tebow's a southpaw).
Tim Tebow is one of the most driven people I've ever seen though, so the effort will be there. He has almost a full year from today to prove to the Mel Kipers of the world that he can be something other than an H-back in the pros.
Shortening up his delivery and fixing his release point will go a long way to that end.
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