





Davis-Gaither tallied eight tackles (five solo) during the Colts' 30-13 win over the Commanders on Sunday in London.
Carlies (undisclosed) logged five tackles (three solo) and an interception during Sunday's 30-13 win over the Commanders in London.
Walley recorded eight tackles (five solo), including 1.0 sacks, during the Colts' 30-13 win over the Commanders on Sunday in London.
Smith was signed to the Steelers active roster Tuesday, Teresa Varley of the team's official website reports.
Colts head coach Shane Steichen said Tuesday that Key is expected to miss three to four weeks with a hamstring injury, per Jeremy Fowler of ESPN.com.
McGowan turned six carries into 31 yards and caught one of two targets for seven yards during Sunday's 30-13 win over the Commanders in London. He also returned four kickoffs for 102 yards.
Treadwell caught five of six targets for 42 yards in Sunday's 30-13 win over the Commanders.
The Steelers signed Murphy-Bunting off the Buccaneers' practice squad Monday, Teresa Varley of the Steelers' official site reports.
Key (hamstring) has been ruled out for the Colts' matchup with Pittsburgh in Week 5, James Boyd of The Athletic reports.