Panthers coach Ron Rivera says an MRI on defensive end Charles Johnson's right knee revealed no torn ligaments.

Johnson has a sprained knee.

Rivera said Wednesday that Johnson is really sore, but "we're very fortunate. We really are. ... It's about getting the soreness out more than anything else."

Rivera isn't sure if Johnson will play Sunday when the Panthers visit the Miami Dolphins. He will be reevaluated Friday to determine how he's reacting to treatment.

Johnson has 8 1-2 sacks this season and 21 in the last 23 games.

Johnson was injured when Patriots offensive tackle Marcus Cannon's leg hit him in the side of the knee during Monday night's game. Johnson missed most of the second half but returned for the final series.


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