LOS ANGELES ---Soma Vainuku is not your average fullback.
"(He brings) unique features (to the position) --the size and speed. They don't make many humans like that," said USC head coach Lane Kiffin. "It's great. If you can have a fullback that can block and be big but also can run, you have the potential to give some people some issues."
The speed Kiffin speaks of was even surprising to Vainuku.
Earlier this summer when USC players were timed in the 40-yard dash, Vainuku wasn't feeling like himself. He was ill and "sluggish," but figured he'd give it a shot anyway.
"I thought I was going to do horrible," he said. "Afterwards the strength coaches let me know what my time was and I was kind of blown away by it."
The time: 4.41.
Vainuku stands 6'0, 250-pounds.
He ran the fastest time of all of the USC running backs, save D.J. Morgan, who didn't run because he was sidelined with turf toe, and Silas Redd, who wasn't with the team yet.
Vainuku has showed off that speed while ripp...