The San Francisco 49ers have released their unofficial depth chart ahead of the 2025 preseason, highlighting key positions and roster battles. Brock Purdy is firmly established as QB1, supported by prominent players such as Christian McCaffrey and George Kittle. Notably, the wide receiver group poses intriguing competitions, particularly with Jawan Jennings and Ricky Pearsall in the mix. The depth chart indicates potential shifts, especially while Brandon Aiyuk is sidelined. Defensively, Upton Stout is gaining attention as a rising nickel cornerback despite being listed on the second team, while injuries loom over players like Kevin Givens. These developments set the stage for an exciting preseason, where performances will determine the final roster alignments.