USC cornerback Iman Marshall spoke with TrojanSports.com's Connor McGlynn following a 42-24 win over No. 14 Stanford. Marshall mentioned USC's defense taking on an "us against the world mentality" and listening to experts pick them to lose games as motivation. Marshall also said he was pleased with his unit's performance, but knows he needs to improve after giving up a couple targets to his own covers. For more, follow Connor on Twitter @cmcglynn48