The Raiders traded quarterback Kirk Cousins to the Vikings, leaving an open roster spot. They filled it by signing rookie defensive lineman Tim Keenan to the 53-player roster from the practice squad.

Keenan was out of elevations from the practice squad after the Raiders elevated him for the past three games.

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In three games, Keenan totaled seven tackles and a sack while playing 35 percent of the snaps.

The Rams selected Keenan in the seventh round this year out of Alabama. They waived him out of the preseason, but he signed back to their practice squad.

The Raiders signed him to their practice squad on Sept. 7.

The team also announced it signed defensive tackle Chris Williams to the practice squad.