Whiteheart (coach's decision) is inactive Sunday against the Seahawks.
Whiteheart (coach's decision) is inactive for the second week in a row after playing in Week 11 against the Texans, Darren Urban of the Cardinals' official site reports.
The Cardinals signed Whiteheart to their active roster Tuesday, Darren Urban of the team's official site reports.
The Cardinals signed Whiteheart to the practice squad Friday, Bo Brack of GoPHNX.com reports.
Whiteheart was waived by the Cardinals on Wednesday, Mike Garafolo of NFL Network reports.
Arizona is expected to sign Whiteheart as an undrafted free agent, Bob McManaman of The Arizona Republic reports.