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Doughty’s concussion came during a fourth-quarter onside kick by the Bears, but he is not necessarily out against Denver. Rookie corner David Amerson suffered a concussion on Oct. 13 against Dallas, passed several neuropsychological tests during the week and eventually was cleared to play against Chicago.

“[Doughty] will get tested [on Tuesday] and then he’ll go through the same protocol we did last week with all of our players,” Shanahan said. “He’ll be tested every day and hopefully he’ll be fine and ready to go.”

Meriweather’s teammates tried to stick up for him on Sunday. Defensive lineman Barry Cofield and cornerback DeAngelo Hall both thought the first hit on Jeffery was clean. But Hall conceded that even defensive backs coach Raheem Morris thought the following hit on Marshall would spell trouble for Meriweather. He was right.

“I don’t know if [Meriweather] is being targeted. That’s kind of the rules we have in this day and age of football,” Hall said. “They said something about him [tackling] a little lower, and then a guy hits him low, and then you’re saying, ‘Well, that’s his ankle, that’s his knee.’ I don’t know what more you want defenders to do.”