Atlanta placed Koo on injured reserve Wednesday, after the kicker was believed to have aggravated a right hip injury in Monday's 15-9 win over the Raiders, Terrin Waack of the Falcons' official site reports.
The Falcons are expected to place Koo on injured reserve this week after he suffered an undisclosed injury in Monday's 15-9 win over the Raiders, Ian Rapoport of NFL Network reports.