The San Francisco 49ers have a new weekly problem to solve now that running back Christian McCaffrey has returned from Achilles tendinitis. While it's certainly a positive that the reigning Offensive Player of the Year is back in their lineup,

In some ways, Christian McCaffrey's return to the San Francisco 49ers' lineup on Sunday was nothing new. Through his first seven NFL seasons, McCaffrey has seen and done nearly everything a player can experience,

San Francisco treaded water without Christian McCaffrey. Now that the NFL's reigning Offensive Player of the Year is back, it's full-speed ahead for the 49ers. With McCaffrey debuting last week after missing the first eight games due to Achilles tendinitis ...