USC faces uncertainty at CB as Isaac Taylor-Stuart deals with concussion

LOS ANGELES — With USC lately, each positive injury update seems quickly dampened by bad news for another player.
On Wednesday, Coach Clay Helton revealed that starting nickel cornerback Greg Johnson has been medically cleared to return against Utah. Johnson had undergone the concussion protocol after leaving the first half of last week’s loss to BYU.
But that positive news was balanced by the murkier status of starting cornerback Isaac Taylor-Stuart.
The redshirt freshman, too, is u