San Francisco 49ers running back Christian McCaffrey warms up during NFL football training camp in Santa Clara, Calif., Tuesday, July 30, 2024. (AP Photo/Jeff Chiu)

San Francisco 49ers running back Christian McCaffrey, left, runs after taking a handoff from quarterback Brock Purdy (13) during NFL football training camp in Santa Clara, Calif., Wednesday, July 31, 2024. (AP Photo/Jeff Chiu)