No practice Wednesday
Mattison (concussion) was listed as a non-participant on Wednesday's practice estimate.
Mattison departed this past Sunday's win against the Saints with a head injury and eventually was confirmed to be in the concussion protocol Monday. With no on-field work to speak of to begin Week 11 prep, he doesn't appear to be in a great spot ahead of Sunday's game at Denver. If Mattison is unable to gain clearance from an independent neurologist by Saturday, the Vikings may be forced to use the combination of Ty Chandler and Kene Nwangwu out of their backfield this weekend.
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The Vikings reinstated Jefferson (hamstring) from injured reserve Tuesday.
Powell had three receptions for 45 yards on three targets and one carry for two yards in Monday's loss to Chicago.
Osborn played 47 of the Vikings' 55 snaps on offense and finished with three catches for 34 yards on four targets in Monday's 12-10 loss to the Bears.
Minnesota head coach Kevin O'Connell said the team would evaluate Dobbs' four-game performance at quarterback before naming a starter for Week 14 after a bye week, Ben Goessling of the Minneapolis Star Tribune reports.
Chandler rushed four times for eight yards and secured one of two targets for three yards in the Vikings' 12-10 loss to the Bears on Monday night.
Addison secured six of 10 targets for 39 yards in the Vikings' 12-10 loss to the Bears on Monday night.
Mattison rushed 10 times for 52 yards and secured both targets for 11 yards in the Vikings' 12-10 loss to the Bears on Monday night. He also fumbled once but recovered.
Hockenson secured five of six targets for 50 yards and a touchdown in the Vikings' 12-10 loss to the Bears on Monday night.
Dobbs completed 22 of 32 passes for 185 yards with one touchdown and four interceptions in the Vikings' 12-10 loss to the Bears on Monday night. He also rushed twice for 11 yards.
Jefferson (hamstring) has been downgraded to out for Monday's game against the Bears.