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When discussing why the Vikings didn’t put defensive tackle Sharrif Floyd on injured reserve after he had knee surgery early in the season, coach Mike Zimmer said that the team didn’t think Floyd was going to be out that long.

It’s been a month since Zimmer said that and Floyd still hasn’t returned to the Vikings lineup, which was long enough for the Vikings to wait without a return on their patience. The team announced on Monday that they have placed Floyd on injured reserve.

Floyd played just one game this season, his third with the team after they drafted him in the first round of the 2013 draft. He’s under contract for next season because the Vikings exercised their fifth-year option on his rookie deal.

The team promoted defensive tackle Toby Johnson from their practice squad to fill out the 53-man roster.