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The Chargers have gotten used to practicing without running back Ryan Mathews early in the week, so that’s not a reason to panic.

But injuries to a pair of starting offensive linemen could be a bigger concern, considering how banged up that group has been all year.

According to Michael Gehlken of U-T San Diego, center Nick Hardwick (stinger) and right tackle D.J. Fluker (ankle) were missing from practice today.

That could make a hash of a group that has been cobbled together all year.

Mathews (ankle) also got his usual early in the week day-off, but he’s done that the last two weeks and recovered to play, though he didn’t finish last week’s win over the Chiefs.