49ers running back Christian McCaffrey is consulting a specialist in Germany regarding his ongoing Achilles tendinitis. Head coach Kyle Shanahan indicated that the treatments are expected to focus on enhancing blood flow to aid in McCaffrey's recovery. This news raises concerns about McCaffrey's availability and performance in upcoming games as he seeks to manage this injury.

• McCaffrey's injury could impact his performance and availability for future games.
• The treatments he is receiving may help in the healing process but could take time.