Austin
Siereveld.

Austin
Siereveld.

Ohio State· Sr· 6'7"· 309 lb
"Few tackles merge a dominant, heavy anchor against the bull rush with the fluid footwork to mirror rushers around the arc. Siereveld's high-level processing against stunts and run-game power are immediate pro-ready traits, though his hand placement requires refinement. He projects as a quality, long-term starting right tackle."
Austin Siereveld is a prototypical Big Ten tackle, combining massive wingspan with surprisingly light feet for his tonnage. His identity is defined by an iron anchor and an innate ability to process defensive stunts and twists with eye discipline uncommon for his age, speaking volumes about the development system at Ohio State. In the run game, he demonstrates dominant leverage at the point of attack, using his arm extension to seal the edge and generate consistent running lanes by efficiently using his body as an insurmountable obstacle. His NFL transition appears guaranteed to the right side due to his first-contact power, though he possesses sufficient athleticism to protect the blindside in quick-passing schemes. Siereveld's ceiling is that of a perennial Pro Bowl-level starter if he refines his hand technique, as he sometimes relies too heavily on his size to compensate for erratic hand placement. The main question mark lies in his ability to handle elite speed rushers with a refined ghost move, where his tendency to over-extend could be exploited by astute defensive coordinators.
- 01
Massive Anchor and Power Absorption
Siereveld possesses an extremely heavy lower base, allowing him to dig in his heels and immediately stop the bull rush. On tape, he absorbs initial contact without yielding ground, maintaining a neutral spine that neutralizes the push of more explosive defenders. This anchoring ability is vital in today's NFL to protect the pocket from interior collapse.
- 02
Lateral Movement and Arc Recovery
Despite his 6'7" frame, he displays hip fluidity that enables a smooth, deep kick-slide. When initially beaten off the snap, he has the necessary foot speed to recover his angle and push the defender past the quarterback. His lateral range allows him to effectively cover for adjacent guard's path errors.
- 03
Eye Discipline and Stunt Processing
He is an extremely intelligent blocker who rarely bites on line games. He keeps his eyes on the second level but reacts instantly to the looping defensive end, showing fluid hand communication to transfer blocks. This technical maturity drastically reduces pressures allowed due to assignment errors.
- 04
Torque Generation in Run Blocking
He uses his length to establish contact first, then displaces defenders with violent hip rotation. He specializes in the down block, where his mass and linear momentum completely collapse one side of the defensive line. In zone schemes, he demonstrates sufficient agility to reach the second level and neutralize linebackers with a decisive punch.
- 01
Inconsistent hand placement
Tends to open his arms too wide on initial contact, allowing defenders with technical hands to gain his chest and control his torso. In the NFL, this will result in holding penalties or loss of balance when attempting to regain control. Needs to narrow his strike zone to be more efficient against the long arm.
- 02
Tendency to lunge
Against very quick players on the edge, he sometimes abandons his technique and lunges forward attempting to make early contact. This compromises his center of gravity and leaves him vulnerable to swim or rip moves that use his own weight against him. Maintaining consistent pad level will be key to his success in long third-down situations.
- 03
Overly aggressive, out of balance
His desire to finish blocks to the ground sometimes causes him to lose the necessary technical base in the run game. While coaches love that finisher mentality, it occasionally results in unnecessary falls that obstruct lanes for his own running backs. He must learn to balance aggression with dynamic body control.
Loading seasons…
Reflects a future as an elite run blocker whose pass-pro inconsistencies against top-tier speed prevent him from being a consistent All-Pro.
This comparison hinges on Siereveld maximizing his lateral agility to become a premium tackle rarely beaten by pure speed.
This represents the floor if his hand placement and balance issues are never fully rectified, relegating him to a powerful but unreliable backup.
RAS · Relative Athletic Score
Kent Lee Platte methodology · ras.football
/ Combine Feb '27 · Pro days Mar '27
Austin's RAS will publish once the official testing drops.
The Relative Athletic Score needs the 40, vertical, broad jump, shuttle and 3-cone — numbers that don't exist until the NFL Combine or pro day. Until then we grade the OT on percentiles vs. his positional cohort (see athletic radar below).
— — — mediana posicional (p50)
- 40 yardas
- 5.03sp50
- Vertical
- —in
- Broad jump
- —in
- Three-cone
- —s
- Shuttle
- —s
- Bench
- —rep
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