Charles Johnson week-to-week with sprained MCL

The coach of the team the Panthers beat last night is notorious for monotonously calling his players “day-to-day.”  Panthers defensive end Charles Johnson is, a day after being leg whipped by Patriots tackle Marcus Cannon, week-to-week. Per a league source, Johnson has a sprained MCL. The term “week-to-week” implies he’ll miss at least one week,…