Get official Marcus Allen University of Southern California jerseys and more at Fanatics.com and be ready to cheer on your favorite player. Show off your love for the USC Trojans star and solidify your fandom while looking great in the process. Shop the widest selection of styles, sizes, and colors of official Marcus Allen USC Trojans shirts, hats and other gear. Add authentic Marcus Allen University of Southern California memorabilia to your collection and check back for new arrivals of Marcus Allen merch to keep your wardrobe up to date. The best place to find Marcus Allen USC Trojans gear and apparel is Fanatics.com.