Fernando Mendoza shaky in preseason finale: Instant analysis, grade

Fernando Mendoza was the No. 1 overall pick in the 2026 NFL Draft, but the expectation is he will begin his career as the backup to veteran quarterback Kirk Cousins.As a result, the Las Vegas Raiders' preseason Week 3 game against the San Francisco 49ers represented a key opportunity for Mendoza to get playing time before the start of the 2026 NFL season.Raiders coach Klint Kubiak opted to play Cousins the first two drives of the Thursday, Aug. 27, preseason clash. But after that, Mendoza played