Nate Menkin

NFL roundup: Chiefs' Charles forced to leave practice

Kansas City Chiefs running back Jamal Charles was carted off the field during practice Monday, but coach Andy Reid said X-rays taken on Charles' injured foot were negative.

The team is treating the injury as a sprain and the injury is not considered serious. His status for Friday night's preseason game against the San Francisco 49ers is not certain, but Reid told, "If he is ready to go, he'll play."

Charles also had a foot injury prior to minicamps in the spring. X-rays for that injury were negative as well. He had left that practice after limping off the field.

Charles rushed for 1,509 yards last season. He missed most of 2011 with a torn ACL. He...