At 6 - foot - 3 , he is a big target who could help as Oklahoma State prepares to start its season without senior Marcell Ateman .
Obialo is a walk - on from Coppell , Texas , who has impressed in practice .
At 6 - foot - 3 , Coppell is a big target who could help as Oklahoma State prepares to start its season without senior Marcell Ateman .
Obialo is a walk - on from Coppell , Texas , who has impressed in practice .