Arm length directly affects an edge defender’s ability to control offensive tackles at the point of contact. Longer arms allow pass rushers to land the initial strike and maintain separation while working through rush moves. The extra reach also helps convert speed to power and finish plays when quarterbacks attempt to step up in the pocket.
Myles Garrett’s 35 ¼-inch arms are among the upper echelon of NFL pass-rushers. He was just about as perfect as a draft prospect can get, and his wingspan is one of the many reasons he produces at a Hall-of-Fame level.
When it comes to arm length, 99% of NFL edge defenders fall somewhere between Bain and Garrett, but the data shows fairly evenly dispersed results across a variety of measurements.
Pass rush success over last three NFL Seasons by edge defender arm length
If anything, those in the 31-32 inch category fared best. This group is highlighted by Trey Hendrickson and Micah Parsons — the former was a relatively overlooked 103rd overall draft pick, and the latter was an athletic freak initially pegged to play off-ball linebacker.
Arm Length Pressure Rate PFF Pash-Rush Grade < 31 inches 11.7% 69.8 31-32 inches 14.9% 92.5 32-33 inches 14.1% 90.2 33-34 inches 14.5% 90.5 34-35 inches 13.8% 85.7 35+ inches 12.2% 85.0
However, when you dip below 31 inches, things start to look much more bleak. Kyle Van Noy is the only proven success story among this group. Of the 64 sacks these short-armed edge defenders have recorded in the PFF era, Van Noy accounts for over half of them. It’s worth noting that Van Noy’s arms measured almost a full inch longer than Rueben Bain’s.
The remainder of this group hardly inspires confidence. The only other sub-31-inch edge defenders to even see 500 career pass-rush snaps in the PFF era are Genard Avery and Matt Longacre. If Bain were to move inside, he’d be compared to a similarly unremarkable group headlined by players like Dean Lowry and Calijah Kancey.
This is truly uncharted territory for a potential top-10 draft pick. It’s a testament to Bain’s skill set that he has been so productive despite this limitation. Bain possesses freakish explosiveness off the snap, knows exactly how to take advantage of leverage and can bend around the outside with the best of them.
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Rueben Bain Jr. vs. the Data: The bleak track record of short-armed edge rushers
Daire Carragher details the bleak track record of short-armed edge rushers in regards to projected first-round pick Rueben Bain Jr.www.pff.com
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