Performance San Francisco 49ers Rookie Season Injury 49ers Injury Recovery MVP Super Bowl MVP Game-manager Development Critics Nick Bosa Kansas City Chiefs Comparison Super Bowl LVIII San Francisco 49ers quarterback Comparison with Patrick Mahomes Underdog story Patrick Mahomes Game manager Criticism Brock Purdy MVP Game management Playing style Rushing Yards San Francisco 49ers QB Talent Starting Position Elbow Injury Confidence Rise in 2022 Matchup