The San Francisco 49ers are experiencing a youth movement this season, with their rookie class stepping up significantly due to injuries among veterans. Key players like Malik Mustapha and Dominick Puni have excelled in their roles, showcasing the depth and talent of the rookie class. The team's rookies have already played a substantial number of snaps, ranking seventh in the NFL, and their contributions are crucial as the 49ers aim to remain competitive despite their injury woes.

• The 49ers' rookie class has been impressive, with several players stepping into significant roles due to injuries.
• Dominick Puni and Malik Mustapha have emerged as standout performers, contributing to the team's defensive and offensive lines.
• The depth of the rookie class is vital for the 49ers as they navigate injuries to key players.