The Detroit Lions promoted cornerback Chris Greenwood from the practice squad with rookie cornerback Darius Slay ruled out with a knee injury.
Greenwood was drafted in the fifth round by Detroit last year.
He was with the Dallas Cowboys before being released and re-signed by Detroit.
The Lions cut wide receiver-kick returner Micheal Spurlock.
Follow me on Twitter: @RavensInsider
Aaron Wilson covers the Ravens for The Baltimore Sun.
DEC 12 Joel Corry
Should San Francisco decide to part ways with its quarterback, here’s how it would work.
DEC 10 Erik Oehler
Sometimes they aren't out to get you.
DEC 09 Jeff Fedotin
Anderson, Sanders, revamped O-line complement Peyton.