Incognito announced his retirement Friday, Case Keefer of the Las Vegas Sun reports.
Raiders' head coach Rich Bisaccia stated Monday that Incognito (calf) has suffered a setback, Paul Gutierrez of ESPN.com reports.
The Raiders placed Incognito (calf) on injured reserve Saturday, Field Yates of ESPN reports.
The Raiders listed Incognito (calf) out for Sunday's contest against the Dolphins, Paul Gutierrez of ESPN.com reports.
Incognito (calf) will remain sidelined for Sunday's game against the Steelers, Rachel Gossen of the team's official website reports.
Incognito (calf) has been ruled out for Monday's Week 1 matchup against the Ravens, Rachel Gossen of the Raiders' official site reports.
Incognito (calf) will miss at least a week, Vincent Bonsignore of the Las Vegas Review-Journal reports.
Incognito re-signed with the Raiders on Wednesday.
The Raiders released Incognito on Tuesday.
The Raiders will release Incognito (Achilles/foot) before the new league year begins March 17, Ian Rapoport of NFL Network reports.