Packers get Kevin Zeitler on the field for first time as Bears’ Caleb Williams is inactive

The Packers will have a new look along the interior of the offensive line on Sunday, with Kevin Zeitler active and expected to make his Packers debut when they host the Chicago Bears. According to the game-day inactive report, Zeitler is set to start at right guard, a role that typically demands both run-blocking discipline and quick pass-protection recognition against an opponent’s front.

For Chicago, the inactives list also carries a major quarterback implication. Caleb Williams is listed as inactive for the Bears, and the report frames it as expected. That means Green Bay’s defensive preparation for Week 5 will not include live-game looks against Williams.

Without Williams on the field, the Bears’ offensive plan will likely need to shift immediately toward the skills of the backup quarterback and the routes that group can execute reliably. In practice and warmups, teams often gain a clearer feel for tempo and protection checks, but the decisive on-field details come once the first drive starts.

Zeitler’s debut is the other centerpiece of Sunday’s personnel story. A player stepping in at right guard can change the rhythm of the run game by altering leverage points and communication on front-side blocks, and it can also affect how the line handles blitz timing in pass protection. Even when the rest of the unit remains intact, the first game with a new starter often shows up in line calls and footwork during live downs.

The matchup, Week 5, also matters in the broader picture of each team’s season because the league’s middle stretch is where early separation can start to harden. For Green Bay, getting an experienced lineman into the lineup provides a clear path to stabilize fundamentals as the schedule moves forward. For Chicago, the decision to sit Williams forces a bigger stress test on both protection and play design with a different report-caller behind center.

What to watch early is whether Zeitler’s presence helps the Packers establish consistent run lanes and whether the Bears are able to generate pressure patterns that test the backup quarterback’s decision-making. The other watch item is how quickly Chicago adjusts their offensive cadence and shot selection in a game that starts without its expected franchise quarterback.