The Cardinals worked out Attaochu (pectoral) on Wednesday, Field Yates of ESPN reports.
Attachou (pectoral) was released by the Bears on Monday, Kevin Fishbain of The Athletic reports.
Attaochu (pectoral) was placed on injured reserve on October 13 and ended the season with two tackles in five games.
The Bears placed Attaochu (pectoral) on injured reserve Wednesday, Colleen Kane of the Chicago Tribune reports.
Attaochu suffered a torn pec Sunday and will miss the rest of the season, Tom Pelissero of NFL Network reports.
Attaochu is out of Sunday's game with the Raiders with a pec injury.
Attaochu (hamstring) is active Week 3 against Cleveland.
The Bears signed Attaochu to a one-year contract Sunday.
Attaochu (quadriceps) is active for Sunday's matchup against the Chargers.