Pittsburgh Steelers running back Willie Parker didn't practice again Thursday because of a sprained left knee and might not play Sunday in Cincinnati.
The Steelers' off week allowed three of the four injured starters who sat out their 21-0 victory over Seattle on Oct. 7 to heal.
Still slowed by a sprained knee, Pittsburgh wide receiver Hines Ward will be sidelined for a second straight week on Sunday when the Steelers host the Seattle Seahawks.
Steelers running back Willie Parker was unexpectedly held out of practice Wednesday after aggravating the sprained medial collateral ligament in his left knee.
Wide receiver Hines Ward's sprained right knee doesn't hurt as badly as it did last week and he is confident of playing Sunday in the Steelers' important game against Seattle.