Su'a - Filo could end up be a first - round selection in the NFL draft .
Offensive lineman Xavier Su'a - Filo works out during UCLA 's pro day at Spaulding Field in March .
Offensive lineman     could end up be a first - round selection in the NFL draft .
Offensive lineman Xavier Su'a - Filo works out during UCLA 's pro day at Spaulding Field in March .