Kansas City placed Hendershot (calf) on its injured reserve list Tuesday, Pete Sweeney of ArrowheadPride.com reports.
Hendershot (calf) is questionable to return to Sunday's game against the Panthers.
The Chiefs signed Hendershot from the practice squad to the active roster Saturday.
Hendershot signed with the Chiefs' practice squad Tuesday after clearing waivers, Tom Pelissero of NFL Network reports.
The Chiefs waived Hendershot on Monday, Tom Pelissero of NFL Network reports.
Hendershot (coach's decision) is inactive for Thursday's regular-season opener against the Ravens.
The Cowboys are trading Hendershot to the Chiefs for a conditional seventh-round pick, Tom Pelissero of NFL Network reports.
The Cowboys waived Hendershot on Tuesday, Tom Pelissero of NFL Network reports.
Hendershot was unavailable for the Cowboys' practice Wednesday due to a shoulder injury, Todd Archer of ESPN.com reports.
Hendershot (ankle) was seen participating in 7-on-7 drills at practice Friday, Nick Harris and Patrik Walker of the Cowboys' official site reports.