From the episode

Like we got excited about Mason because we thought Jones was going to miss this game with a knee injury. He ends up practicing, uh, Thursday and playing in this game. I thought he looked decent, um, on a couple of his runs, but it's just, there's too much competition here

STACKED’s take

Negative signalRole

Played through knee injury; too much backfield competition for flex+ value.

Practiced Thursday and played against Detroit despite a knee injury; the source thought he looked decent on a couple of runs, but there is too much competition in the Vikings backfield. With both Aaron Jones and Alexander Mattison healthy, neither can be started as anything more than a flex. Three different running backs on Minnesota had at least 20% of the snaps, indicating a crowded backfield.

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