The USC Trojans reeled in 10 newcomers via the college football transfer portal this offseason. USC coach Lincoln Riley and the USC front office have become lauded for identifying veteran collegiate talent and adding them to the roster. Including swooping up past power conference talent before molding them into NFL Draft picks. But one 2026 addition earned the title of most important transfer portal move for USC. USC Trojans' No. 1 Transfer Portal Move Nov 29, 2025; Los Angeles, California, USA; Southern California Trojans head coach Lincoln Riley (right) talks with quarterback Jayden Maiava (14) in the second half against the UCLA Bruins at United Airlines Field at Los Angeles Memorial Coliseum. Mandatory Credit: Kirby Lee-Imagn Images | Kirby Lee-Imagn Images CBS Sports' Brad Crawford ranked the 26 best portal finds for the 2026 season. Riley and the Trojans swooped up six who represent the defensive side of the ball.…