The Steelers have placed cornerback Curtis Brown on the injured reserve list after he tore the anterior cruciate ligament in his knee Sunday against the Cleveland Browns.
To replace Brown on the 53-man roster, the Steelers have signed cornerback Isaiah Green from their practice squad. They also signed cornerback Devin Smith to the practice squad to fill Green's spot.
Green has spent portions of this season alternating between the roster and practice squad. He has appeared in three games this season and was inactive for two others.
This is the fourth time Smith has been signed to the practice squad.
Gerry Dulac: email@example.com. Twitter: @gerrydulac.