In their presser after the draft, Lynch said he was glad Brown ran a slower 40 than expected at the combine because he would have never made it into the 3rd round otherwise.
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That would have put Brown in contention for the fastest times in the NFL last season
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Ji’Ayir Brown recorded an in game speed of 21.06 miles per hour according to GPS data
That would have put Brown in contention for the fastest times in the NFL last season.
John Lynch and the
49ers front office made it no secret how much they coveted Penn State safety Ji’Ayir Brown after trading up to select him with the 87th overall pick in the 2023
NFL draft.
There are a number of reasons why the 49ers became enamored with a prospect like Brown, including the data recorded by an evaluation tool that is generally not accessible to the public.
I had a conversation this weekend with a coach on the Penn State staff who worked hands on with Brown and the other defensive backs at Happy Valley. He provided a valuable perspective on the kind of player the 49ers are getting with their first pick in the 2023 draft.
The first thing he did was make a point to emphasize the
exceptional football IQ that Brown possesses, detailing how much his intelligence on the field stood out from day one. When we started talking about what part of Brown’s game might be getting overlooked as he enters the league, this coach immediately pointed to the fact that
Brown plays much faster than the athletic testing numbers he posted at the combine would indicate.
He was adamant that the 4.65 second 40-yard dash time that Brown recorded does not adequately reflect just how fast he is in an actual game setting. Thankfully, there is a way to quantify that, as Penn State utilizes GPS tracking data that can put an exact number on just how fast a player is while they are on the field.
I was provided access to this GPS data courtesy of Penn State’s strength and conditioning staff, and the numbers from Brown were eye-popping. That data indicated that
Brown recorded a maximum speed of 21.06 miles per hour on game day, well above the average maximum speed you typically see from players at the safety position.
This is an extremely valuable piece of information when evaluating Brown and the safety class as a whole, as the 40-yard dash time paints a much more inaccurate picture of the kind of explosion Brown possesses. The 4.65 he ran ranked 16th out of the 18 safeties who recorded an official time at the combine, while the
GPS data quickly dispels any notion that he is not among the elite athletes at the position in this rookie class.
Another thing that is likely to endear Brown to his new coaching staff in San Francisco is the fact that the speed he showed on game day was also there in practice as well.
He recorded a max speed of over 21 miles per hour during his practice sessions, which mirrored the intensity he showed on game day as well.
It’s been well documented how adamant Kyle Shanahan and the 49ers staff are about giving maximum effort during practice. Everything the data shows echoes what is said by those who coached Brown, which is that this is an exceptional athlete who is going to work his tail off, no matter what setting he is in.