When you watch Barnum play you can see why few recruiters are worrying about his lack of size. He is a physical kids that delivers a good pop on contact. When he keeps his pads down he can very easily push a defender off the ball in the run game. He has very good feet and moves around pretty effortlessly in a confined space. He displays the ability to step and reach and be able to keep working his way into position. Barnum is a promising line prospect with good upside for the next level.