Steelers CB Ike Taylor suffered a broken left thumb in Friday's game at Washington, Steelers president Art Rooney II told Pittsburgh's KDKA-TV, multiple Pittsburgh media outlets reported.
Taylor, 31, is regarded as the Steelers' best cornerback. He has appeared in every game in each of the last six seasons.
One of the better players available at his position in free agency, Taylor agreed to terms with Pittsburgh on a new contract on July 29.
The 6-2, 195-pound Taylor has 11 career interceptions. He is entering his ninth NFL season.