The Arizona Cardinals announced that they have placed G Mike Iupati on the injured reserve and promoted OL Vinston Painter from their practice squad in a corresponding roster move.
This will cost Iupati the next eight weeks of the season, but he could be a candidate to return later on in the year.
Iupati, 39, is a former first-round pick of the 49ers back in 2010. He played out his rookie contract with the 49ers before signing a five-year, $40 million contract with $22.5 million guaranteed with the Cardinals back in 2015.