Igwebuike played all 12 of his snaps on special teams in Sunday's 24-10 loss to the Cardinals.
Igwebuike (coach's decision) is inactive Sunday against the Texans, Alan Saunders of PittsburghSportsNow.com reports.
Igwebuike (coach's decision) is inactive for Sunday's game against the Raiders.
The Steelers signed Igwebuike off the Falcons' practice squad Thursday, Mike Garafolo of NFL Network reports.
Igwebuike reverted to the Falcons' practice squad Monday.
Igwebuike was promoted to the Falcons' active roster Saturday, Scott Bair of the Falcons' official site reports.
Igwebuike signed to Atlanta's practice squad Wednesday, Josh Kendall of The Athletic reports.
Igwebuike was waived by the Falcons on Monday, Terrin Waack of the team's official site reports.
Igwebuike played nine snaps (one offensive) and didn't record any counting stats during Sunday's 24-10 win over the Panthers.
The Falcons have elevated Igwebuike to their active roster ahead of Sunday's Week 1 matchup with the Panthers, NFl Insider Jordan Schultz reports.