Christian McCaffrey to Mentor Rookie Kaelon Black

San Francisco 49ers star Christian McCaffrey is set to serve as a key mentor for rookie Kaelon Black. According to recent analysis using PFF's proprietary grades and advanced metrics, this veteran-rookie pairing is considered one of the most impactful in the 2026 class. McCaffrey's presence provides an ideal environment for Black's development, with the duo highlighted for their high long-term upside within the 49ers' offensive system.