Wilson (calf) was listed as a limited participant at Wednesday's practice, Teresa Varley of the Steelers' official site reports.
Wilson's limitations were expected, given that head coach Mike Tomlin previously indicated that the quarterback wouldn't be a full participant to begin Week 3 prep as he continues to work his way back from a calf injury. Tomlin suggested Tuesday that the Steelers are preparing for Justin Fields to make a third consecutive start Sunday against the Chargers, though the coach said that a decision on a permanent starter won't be made until Wilson is 100 percent healthy. Wilson has been inactive as the emergency No. 3 quarterback for the Steelers' first two games, and he could be in line for a similar fate Sunday if he doesn't upgrade to full participation in practice Thursday or Friday.