Everett (back) didn't practice Wednesday.
The Chargers consider Everett day-to-day following his early exit from Sunday's 41-38 loss to the Lions. If he isn't available Sunday at Green Bay, the Chargers likely will turn to some combination of Donald Parham (hip, DNP), Stone Smartt and Nick Vannett in a committee at tight end.
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Coach Brandon Staley said there is a possibility Palmer (knee, IR) returns and plays again this season, Daniel Popper of The Athletic reports.
Johnston (ribs/ finger) practiced fully Wednesday.
Allen didn't practice Wednesday due to a quadricep injury.
Johnston (ribs) is participating in practice Wednesday, Daniel Popper of The Athletic reports.
Coach Brandon Staley said Monday that X-rays on Johnston's ribs were returned negative, Daniel Popper of The Athletic reports.
Johnston secured one of three targets for seven yards during Sunday night's 20-10 loss to the Ravens.
Everett (chest) pulled in all four of his targets for 43 yards and a touchdown in Sunday's 20-10 loss to the Ravens.
Ekeler rushed 10 times for 32 yards and caught five of six targets for 32 yards while losing a fumble in Sunday's 20-10 loss to Baltimore.
Herbert completed 29 of 44 pass attempts for 217 yards, a touchdown and an interception while rushing four times for 47 yards and losing a fumble in Sunday's 20-10 loss to the Ravens.
Allen racked up 14 receptions on 16 targets for 106 yards while losing a fumble in Sunday's 20-10 loss to the Ravens.