McKinley was released by the Cowboys on Friday, Dallas writer Patrik Walker reports.
McKinley signed a one-year deal with Dallas on Wednesday, Michael Gehlken of The Dallas Morning News reports.
McKinley was signed to the Cowboys' practice squad Wednesday.
The Rams released McKinley on Tuesday.
The Rams signed McKinley off Tennessee's practice squad Wednesday, Field Yates of ESPN reports.
The Cowboys hosted McKinley (Achilles) for a tryout Saturday, David Moore of The Dallas Morning News reports.
McKinley (Achilles) was placed on injured reserve Tuesday.
McKinley has suffered a torn left Achilles and is out for the season, Josina Anderson of CBS Sports reports.
The Browns fear McKinley to have suffered a torn Achilles, Ian Rapoport of NFL Network reports.