The Steelers worked out Isidora on Tuesday, someone reports.

The Cardinals released Isidora (foot) on Tuesday, Darren Urban of the team's official site reports.

Isidora was seen wearing a walking boot on his right foot during the Cardinals' preseason game Sunday, Darren Urban of the team's official site reports.

Isidora (foot) is in the mix to compete for the starting right guard job in training camp, Omar Kelly of the South Florida Sun Sentinel reports.

Isidora (foot) was placed on injured reserve Wednesday, Armando Salguero of the Miami Herald reports.

Isidora was spotted in a walking boot on his right foot following Sunday's game against Dallas, Armando Salguero of the Miami Herald reports.

Isidora (foot) is questionable to return to Sunday's game versus the Cowboys, Armando Salguero of the Miami Herald reports.

Isidora (hamstring) doesn't carry an injury designation for Sunday's Week 1 matchup with Baltimore.

Isidora (knee) has been ruled out for Monday's season opener against the Saints, Chris Tomasson of the St. Paul Pioneer Press reports.