Sonny had a short stay committed to Houston before ultimately flipping to Oklahoma state after his visit, and it’s easy to see why the cowboys loved him. He’s a player who brings energy.

He’s the type of lineman who doesn’t get rattled by pressure and keeps his assignment clean snap after snap.

Mullen is an offensive lineman who stands out for his awareness and steady control in the trenches. He plays with a composed approach, rarely getting rattled, and shows a good understanding of combo blocks and working up to the second level. When he connects cleanly, he can seal lanes and create clear running angles for backs behind him.

In the run game, Mullen is at his best when operating in coordinated schemes, where he can use timing and angles rather than just pure power. He shows solid grip strength once engaged, allowing him to sustain blocks and finish reps with defenders under control. His effort in pursuit situations also shows up when he’s asked to climb and locate linebackers.

Sonny is an offensive lineman who brings a physical, blue collar approach to the trenches. He plays with good leverage and a strong base, allowing him to hold his ground against powerful defensive linemen and keep the pocket clean. What stands out early is his hand usage he works to strike first, lock on, and control defenders rather than just absorbing contact.
In the run game, Sonny shows real effort and finishing ability. He fires off the ball with intent, looking to create movement at the line of scrimmage and drive defenders off their spot. He stays engaged through the whistle and understands how to stay square to sustain blocks, opening up lanes for backs to hit downhill.
Pass protection-wise, he’s steady and composed. He keeps a solid anchor, especially when facing bull rushes, and shows awareness picking up movement in front of him. While he’s still developing polish in terms of footwork against quicker edge rushers, his strength and competitiveness help him hold up in tough situations. Mullen holds offers by UTSA, Lamar , North Texas.