Ertz and Washington agreed to terms Wednesday on a one-year contract worth up to $5 million, Tom Pelissero of NFL Network reports.
Ertz's practice-squad contract with the Lions expired Monday, Justin Rogers of The Detroit News reports.
Ertz (quadriceps) is signing with Detroit's practice squad Monday, Tom Pelissero of NFL Network reports.
Ertz (quadriceps) passed through waivers unclaimed Friday and is now a free agent, Mike Garafolo of NFL Network reports.
Arizona officially waived Ertz (quadricep) on Thursday, Darren Urban of the Cardinals' official site reports.
The Cardinals and Ertz (quadricep) agreed Thursday to mutually part ways, and the team is soon expected to formally waive him, Adam Schefter of ESPN reports.
The Cardinals are placing Ertz on injured reserve due to a strained quadriceps that he sustained during Sunday's 20-10 loss at Seattle, Mike Garafolo of NFL Network reports.
Ertz caught six of 10 passes for only 21 yards in Sunday's 20-16 loss to the Commanders.
Ertz (knee) is active for Sunday's game at Washington, Darren Urban of the Cardinals' official site reports.
Ertz (knee), who is listed as questionable, is expected to suit up for Sunday's regular-season opener at Washington, Ian Rapoport of NFL Network reports.