Robinson (pectoral), who will open training camp on the Vikings' active physically unable to perform list, does not have a timetable for his return to action Matt Vensel of the Minneapolis Star Tribune reports.
Robinson, who is recovering from a partially torn pectoral muscle suffered in early June, has been placed on the PUP list, the Minneapolis Star Tribune reports.
Status: Injury Reserve
Matthews was placed on injured reserve on Sunday, Ben Goessling of ESPN reports.
Position: Defensive End
Coach Mike Zimmer stated Saturday that Robison (chest) is ready for the start of training camp, Matt Vensel of the Minneapolis Star Tribune reports.
Barr (knee) could be worked into training camp slowly, Tom Pelissero of USA Today reports.
Munnerlyn (foot) said he would be "ready to roll" for the start of Vikings training camp Sunday, Minneapolis Star-Tribune writer Matt Vensel reports.