The Oakland Raiders announced wide receiver Jacoby Ford has been placed on injured reserve and cornerback Ron Bartell also was moved to injured reserve but has been designated to return. That allows Bartell to rejoin practice Oct. 27 and game action Nov. 11.
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Ford had surgery on his foot Tuesday, and Bartell is recovering from a fractured shoulder blade suffered in Week 1.
The Raiders promoted cornerback Coye Francies and long-snapper Nick Guess from the practice squad.
This isn't the best news for a Raiders defense that is not exactly strong in the secondary. The top of the cornerback depth chart features Green Bay Packers castoff Pat Lee and Shawnte Spencer, who was released by the San Francisco 49ers after playing just nine games in 2011.
The Raiders should be able to get through this week against rookie quarterback Ryan Tannehill and the Miami Dolphins.
The next three weeks, however, feature Ben Roethlisberger and the Pittsburgh Steelers, Peyton Manning's Denver Broncos and Matt Ryan with the Atlanta Falcons.
Follow Kareen Copeland on Twitter @kareemcopeland.