Sheffield (undisclosed) was activated from the active/PUP list Sunday, Aaron Wilson of KPRC 2 Houston reports.
The Texans announced that Sheffield (undisclosed) will open up training camp on the active/PUP list Tuesday.
The Texans signed Sheffield on Friday.
Sheffield (undisclosed) was waived from the Texans' injured reserve list Tuesday.
Sheffield (undisclosed) reverted to the Texans' injured reserve list Wednesday, per the NFL's official transaction log.
Sheffield (undisclosed) was placed on the Texans' injured reserve Tuesday.
Sheffield was claimed off waivers by the Texans on Monday, Field Yates of ESPN reports.
Sheffield was waived by the Falcons on Friday, Tori McElhaney of the team's official site reports.
Sheffield (hamstring) was a full participant in Wednesday's practice, Michael Rothstein of ESPN.com reports.
Sheffield (hamstring) will remain sidelined for Sunday's matchup with the Jaguars, Tori McElhaney of the Falcons' official website reports.