Racing PositionsInjury-bit 49ers lose two key contributors for '211YNick Wagoner49ers dominate Giants despite missing 10 projected starters2YNick Wagoner49ers' depth must deliver to keep contender status2YNick Wagoner'It's hitting us pretty hard right now': Richard Sherman latest 49ers injury2YNick WagonerWith starters returning, 49ers believe 'ceiling is however high you want to make it'3YNick WagonerScheme and culture help 49ers' backups step up as injuries mount3YNick WagonerNext step: 49ers QB Jimmy Garoppolo delivers under pressure3YNick Wagoner49ers keep finding ways to win as ugly victory takes them to 3-03YNick WagonerCrash course: 49ers' Justin Skule catching up in effort to fill in for Joe Staley3YNick Wagoner