"This is my new family now," he said when addressing the media after Monday's night session. "They have great tradition. This is known as RB-U, so I'm excited to suit up."
The 1,200-plus yard rusher made his presence known during the Trojans' first practice of fall camp.
"From what I saw, he hit the holes hard and ran downhill," said quarterback Matt Barkley. "He'll be a good compliment to Curtis [McNeal]."
As expected, Redd still has some catching up to do when it comes to learning the Trojans' playbook.
"It's only day one," Redd explained, "so I went the wrong way a couple of times but I ran the pro-style offense at Penn State, but getting used to the lingo is probably the hardest thing right now but I'm getting used to it."
"So far so good for day one," said head coach Lane Kiffin. "It's just day one install. But he did a good job, he went the wrong way a couple of times like you would expect today but in his preparation, you can see that he wants to be great."
Little surprise here, with the addition of Redd to the USC roster, freshman Nelson Agholor will return to play his natural position at receiver… not that he ever left.
Over summer workouts Agholor took his reps at receiver. However, Kiffin said Agholor would be put to work at running back during fall camp because of the depth issue prior to Redd's arrival.
"I think Nelson is probably as happy as anybody about Silas coming," explained Kiffin. "Nelson was going to have to play running back because he's a team guy. I know he really didn't want to, so this way he gets to go out and play receiver."
Senior linebacker Devon Kennard was roaming the sidelines of practice in a sling after having surgery to repair his torn pectoral muscle.
"That's where we are starting," explained Kiffin. "We don't know where we'll end up, but we put Leonard inside at three technique and we put JR out at left end."
Redshirt freshman Charles Burks, listed on the roster as a as a defensive end, took reps as a fullback.
"That's where he is now," said Kiffin on moving Burks. "We'll look at him there and see what he can do at fullback and add some depth there because we don't have very much experience."
Kiffin, usually reserved when it comes to talking about academic issues, let it be known Monday night that the Trojans may have a few areas of concern regarding eligibility.
Freshman Darreus Rogers tweeted before practice that he met with the coaching staff and that the count down is on for Rogers to join the team.
He was at practice Monday night, dressed in street clothes and accompanied by his father.
"Darreus Rogers has not been cleared by the NCAA yet," said Kiffin. He gave no timetable if and when Rogers will be cleared.
Defensive ends Wes Horton and DeVante Wilson both were limited with cramps.