San Francisco 49ers star running back Christian McCaffrey is dealing with Achilles tendinitis in both legs, head coach Kyle ...

Christian McCaffrey’s injury situation just keeps getting worse. Initially, the San Francisco 49ers superstar running back ...

Learn calf muscle anatomy and the best calf exercises for your leg workout to improve strength, balance, stability and to run ...

This was supposed to be the easy part of Cleveland's schedule — early, winnable games to get the Browns rolling. Everything ...

Running back Christian McCaffrey has been dealing with issues with his Achilles tendons on both legs, 49ers coach Kyle ...