LSU has built a roster that should compete for a championship. That part is not the question. The real question is much simpler and far more fragile. Can its quarterback stay healthy? That is what will define LSU’s 2026 season. Not the scheme, not the defense, not even the coaching transition under Lane Kiffin. It all comes back to the most important position on the field. LSU made a statement this offseason by assembling the top transfer portal class in the country. At the center of that group is Sam Leavitt, a quarterback with proven production and the ability to elevate an offense. On paper, this is exactly what LSU needed. A dynamic quarterback in a system built to maximize offensive efficiency should be a winning formula. But that formula only works if the quarterback is available. New LSU Tigers quarterback Sam Leavitt. | Mark J. Rebilas-Imagn Images On “The Paul Finebaum Show,” the college football analyst made it clear just how important that availability is.…