MINNEAPOLIS (WCCO) — Minnesota Vikings Head Coach Leslie Frazier says defensive tackle Kevin Williams is fortunate that there was no injury to any of his ligaments in his right knee after a hard hit in Sunday’s game.

Williams suffered the injury after San Francisco 49ers’ offensive lineman Joe Looney blocked him low early in the third quarter.

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On Monday, Williams underwent an MRI to determine the severity of the injury. Frazier released a statement late Monday afternoon announcing the results.

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“Kevin Williams suffered a hyperextension injury to his right knee in last night’s football game. An MRI exam today revealed a significant bone contusion as well as a posterior capsular strain. Kevin was fortunate in that there was no injury to any of his ligaments,” Frazier said.

The team has not released a timetable on when Williams is expected to come back. Bone bruises have been known to keep players out for a couple weeks or more.

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Frazier heard from his coaches in the booth that the hit on Williams might be worth mailing to the league.