Lands in Detroit
Butler signed a reserve/future contract with the Lions on Tuesday.
Butler (undisclosed) has reverted to the Raiders' injured reserve per the NFL's official transaction log.
Waived from IR
Butler (undisclosed) was waived from Oakland's injured reserve with an injury settlement Friday, Matt Kawahara of the San Francisco Chronicle reports.
Returns from undisclosed injury
Butler (undisclosed) caught his lone target for six yards in Thursday's 17-15 preseason loss to the Seahawks.
Not practicing Monday
Butler did not practice Monday, Matt Kawahara of The San Francisco Chronicle reports.
Shakes off injury
Butler (hip) was able to take the field for Tuesday's practice, Paul Gutierrez of ESPN.com reports.
Leaves practice with injury
Butler left Thursday's practice early due to a hip injury, Michael Gehlken of the Las Vegas Review-Journal reports.