Texans signed DE Antonio Smith.
The Arizona Republic's Kent Somers believes WR Jaron Brown needs to "play more" at the expense of Michael Floyd.
The Houston defense will be without J.J. Watt for "an extended period of time" after the star defensive end re-injured his back.
NFL Network's Ian Rapoport reports J.J. Watt re-injured his surgically-repaired back and will be out "an extended period of time," possibly the rest of the season.
Cardinals signed LS Aaron Brewer.
The Panthers have been experimenting with rookie LCB James Bradberry in shadow coverage.
Bears signed DT C.J. Wilson.
The Steelers are happy with Le'Veon Bell's conditioning coming off suspension.
Cowboys DE Charles Tapper (broken back) has suffered a setback, and remains out indefinitely.
Spencer Ware played 71 percent of the Chiefs' snaps in Week 3, compared to 22 percent for Charcandrick West.
NFL.com's Mike Garofolo reports Sammy Watkins will test out his injured foot on Wednesday or Thursday, and that it will determine his Week 4 availability.
Panthers placed DE Ryan Delaire on injured reserve with a knee injury, ending his season.
Panthers signed S Michael Griffin to a one-year contract.
Free agent DE Bjoern Werner worked out for the Lions on Tuesday.
Free agent RB Bernard Pierce worked out for the Seahawks on Tuesday.