The Las Vegas Raiders have one of the most interesting quarterback rooms going into next season. The biggest question is who will be the starter in 2026. The clear plan is for the top overall pick, Fernando Mendoza, to sit back and learn the system while developing his game further at the NFL level. Veteran quarterback Kirk Cousins is going to take the snap as the starter right now, but we will have to wait and see how it plays out all summer long. Klint Kubiak | Darrell Craig Harris, On SI General Manager John Spytek came out and said the best man will win the starting job. You also cannot forget about fourth-year quarterback Aidan O'Connell, who has started at the NFL level and has experience with the Raiders. Something all three quarterbacks have in common is that they played college ball in the Big Ten. That is one quarterback room that has a lot of good football IQ.…