Ravens wide receiver Zay Flowers, cornerback Brandon Stephens and safety Kyle Hamilton are questionable for Sunday’s pivotal game against the Miami Dolphins

Flowers, the Ravens’ top wideout, returned to practice Friday after missing two days with a calf injury, but he was a limited participant. Stephens and Hamilton, key pieces of a pass defense that’s helped lift the Ravens to the brink of a potential No. 1 seed in the NFL playoffs, missed practice Friday. Stephens (ankle) was also sidelined Thursday, while Hamilton (knee) had been limited this week.

It’s unclear when Stephens hurt his ankle. He was estimated to be a full participant in Wednesday’s walk-through. Hamilton was injured in the Ravens’ win Monday over the San Francisco 49ers and said after practice Thursday that he was progressing “day by day.”

If Stephens is unavailable, cornerback Ronald Darby could take his place opposite Marlon Humphrey. Rock Ya-Sin also has experience out wide. Nickel back Arthur Maulet, who missed Monday’s win with a knee injury but was a full participant in Friday’s practice, could replace Hamilton in the slot. The Dolphins’ explosive passing attack will be without wide receiver Jaylen Waddle (ankle), who was ruled out.

Ravens cornerback Jalyn Armour-Davis, who’s played primarily on special teams, was ruled out of Sunday’s game with a concussion. Right guard Kevin Zeitler (knee/quadriceps), a full participant Friday, and inside linebacker Del’Shawn Phillips, a key special teams contributor who missed practice Thursday and Friday, are also questionable.

“Everybody that can go will be out there,” coach John Harbaugh said after practice Friday.

Flowers’ return is a promising sign for a Ravens receiving corps that will be tested by a stout Dolphins secondary. Star cornerback Jalen Ramsey (knee) is questionable after being limited in practice Friday, along with fellow starter Xavien Howard (hip/thumb), but star safety Jevon Holland (knees) could make his long-awaited return to action. He was listed as questionable.

Starting right guard Robert Hunt (hamstring), who hasn’t played since early December, is doubtful. Starting center Liam Eichenberg (calf/ankle), starting right tackle Austin Jackson (oblique), reserve lineman Lester Cotton (hip) and starting running back Raheem Mostert (knee/ankle) are also questionable.