Raiders coach Klint Kubiak’s players won’t mistake quiet demeanor for weakness

HENDERSON, Nev. — At this stage of his career, you wouldn’t think 37-year-old Kirk Cousins would be nervously checking his watch to make sure he doesn’t arrive late to a voluntary practice, of all things.

Yet, that is exactly what the new Raiders quarterback found himself doing throughout the club’s two-month offseason program, which wrapped...