San Francisco 49ers All-Pro running back Christian McCaffrey has traveled to Germany to consult with a specialist about his Achilles tendinitis.

There is still no official timeline on a potential return from injury for Christian McCaffrey. Last week, head coach Kyle Shanahan admitted the 49ers just didn't know when he might be back.

Shortly before the start of the San Francisco 49ers’ season opener against the New York Jets on Monday Night Football, Christian McCaffrey was listed as inactive due to an ankle/Achilles injury. McCaffrey was initially listed as questionable for Monday’s tilt with the Jets after participating in practice on a limited basis during the week.

The San Francisco 49ers will not face any penalties, monetary or otherwise, for their injury reporting surrounding Christian McCaffrey's status for the "Monday Night Football" season opener against the New York Jets,

Do the Niners wait for the bye week to make a trade for (former 49ers defensive tackle) D.J. Jones or do they try to get him in the door after the Thursday game in Seattle so they have a “mini-bye” for him to reintegrate? — Jason A.

Here’s today’s comment from the league: “We looked into the 49ers’ reporting of the playing status of Christian McCaffrey for the team’s Monday night game against the New York Jets. We have found no evidence of a violation of the league’s Injury Report Policy in this matter.”

The San Francisco 49ers have received another concerning injury update on star running back Christian McCaffrey, less than 24 hours after their stunning Week 3 road loss to the Los Angeles Rams. Speaking on “Monday Night Countdown” before the doubleheader,

San Francisco 49ers star Christian McCaffrey is currently on injured reserve as he deals with a lingering case of Achilles tendonitis. McCaffrey did not play in any of the 49ers' first three games, and still must remain sidelined for at least a couple of more weeks.