Prater (knee) won't play Sunday against the 49ers, Bo Brack of GoPHNX.com reports.

Prater (left knee) practiced in a limited fashion Thursday, Zach Gershman of the Cardinals' official site reports.

Prater (left knee) was limited at Wednesday's walkthrough, Zach Gershman of the Cardinals' official site reports.

Prater (knee) has been ruled out for Saturday's game at the Rams, Theo Mackie of The Arizona Republic reports.

Prater (knee) was estimated as a limited participant in Tuesday's walk-through practice, Zach Gershman of the Cardinals' official site reports.

Prater (knee) has been ruled out for Sunday's contest at Carolina, Josh Weinfuss of ESPN.com reports.

Prater (knee) was a limited practice participant Thursday, Josh Weinfuss of ESPN.com reports.

Prater (knee) was a limited participant in Wednesday's practice, Josh Weinfuss of ESPN.com reports.

Head coach Jonathan Gannon said that Prater (knee) will be designated for return from injured reserve Wednesday, Darren Urban of the Cardinals' official site reports.

Head coach Jonathan Gannon said Wednesday that he remains hopeful Prater (knee) will return from injured reserve this season, Darren Urban of the Cardinals' official site reports.