Miami Central three-star defensive lineman Floyd Boucard decommitted from Oklahoma last week, and that could be a major boon for USC’s recruiting class. Boucard initially committed to the Sooners on July 20, choosing them the Trojans, as well as Alabama and Miami. But Lincoln Riley and defensive line coach Eric Henderson remained steadfast in their pursuit of him. Now with him back on the board, the Trojans are looking like the major threat to land him. In recent days, multiple expert predictions have gone in USC’s favor to land the coveted lineman. That includes WeAreSC.com insider Scott Schr…