Getty New York Jets head coach Robert Saleh reacting in the middle of an NFL preseason game. T he San Francisco 49ers experienced a very eventful offseason leading up to the 2025 season. Losing a lot of key players from their three straight NFC championship teams, the 49ers will boast a largely new look roster in their quest for another Super Bowl ring. But, the 49ers biggest offseason addition is not a player– it is the return of a well respected coach. Defensive coordinator, Robert Saleh ,