Ertz caught four of five targets for 68 yards in Sunday's 30-23 loss to the Ravens.
Ertz caught two of eight targets for 10 yards in Sunday's 34-13 win over the Browns.
Ertz hauled in all three of his targets for 22 receiving yards in Sunday's 42-14 win over the Cardinals.
Ertz caught all four of his targets for 62 yards in Sunday's 21-18 win over the Giants.
Ertz caught three of four targets for 28 yards in a 37-20 loss to the Buccaneers on Sunday, playing 70 percent of snaps on offense and running the second most routes (21) on the team.
Ertz won't play in Saturday's preseason game against Miami, Nicki Jhabvala of The Washington Post reports.
Ertz is not expected to suit up in Washington's preseason opener against the Jets on Saturday.
Rookie second-round pick Ben Sinnott is a threat to take playing time from Ertz, Ben Standig of The Athletic reports.
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.