The Chiefs tweaked their 53-man roster on Tuesday.

They announced that they have signed cornerback Kevin Knowles off of their practice squad. They placed defensive tackle Omarr Norman-Lott on injured reserve in a corresponding move.

Knowles has appeared in three games this season as a temporary elevation from the practice squad. He saw action on 35 special teams snaps and has been credited with four tackles.

Norman-Lott had five tackles and a sack in five appearances this season. The second-round pick is going to miss the rest of his rookie season after suffering a torn ACL in Sunday’s win over the Raiders.

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