Head coach Brian Schottenheimer said Friday that X-rays on Guyton's back came back negative, Joe Hoyt of The Dallas Morning News reports.
It's positive news for the third-year pro, who sustained a back injury late during the Cowboys' loss to the Buccaneers on Thursday. Dallas' Week 6 practice participation will provide clarity on Guyton's chances of playing against the Packers on Sunday, Oct. 18.