The start of the 2026 College Football season will mark the beginning of Lincoln Riley's 4th season at the helm of the USC Trojans. Heading into the 2026 season, it feels like the most complete team Riley has built, giving him a chance to make that run. On Thursday Afternoon, the mood at USC was hampered as Lincoln Riley shared that starting center Killian O'Connor suffered a season ending injury in practice. Projected starting USC center Killian O’Connor suffered an injury in practice that will unfortunately end his season, head coach Lincoln Riley just announced. Lincoln RileyWhile the Trojans lost key pieces at wide receiver, Killian O'Connor was a part of the continuity that gave fans a ton of hope.