Ravens' J.K. Dobbins to undergo arthroscopic knee surgery, expected to miss 4-6 weeks, per report | CBS Sports Headlines Ravens' J.K. Dobbins to undergo arthroscopic knee surgery, expected to miss 4-6 weeks, per report Dobbins has been dealing with knee issues for more than a year ESN FeedsThis post was … Continue reading Ravens' J.K. Dobbins to undergo arthroscopic knee surgery, expected to miss 4-6 weeks, per report