The San Francisco 49ers are dealing with significant injury concerns as they prepare for a crucial matchup against the Seattle Seahawks. Star players Trent Williams and Ricky Pearsall have been ruled out due to injuries, leaving the team in a precarious position. Despite these setbacks, tight end George Kittle has been declared active and plans to play. Running back Christian McCaffrey is also set to take the field, overcoming his own injury issues. The team has made roster adjustments, including elevating a veteran offensive tackle from the practice squad, as they look to navigate these challenges and secure a vital win.