USC’s Christian Rector out for multiple weeks with broken hand

LOS ANGELES — It appeared USC coach Clay Helton was about to face a dilemma.
When Porter Gustin was sidelined last month with toe and biceps injuries, Christian Rector took over his starting spot at the “Predator” linebacker position.
Rector, a redshirt sophomore, turned out to be one of the Trojans’ most productive players, tallying a Pac-12-best 6.5 sacks, and was named to one of the Associated Press’ midseason All-American teams.
Therefore, once Gustin, a junior,