Jackson left last weekend’s loss at Cleveland with a sprained ankle. He was not available to reporters Wednesday the way he usually is. Harbaugh said Jackson is day to day.
The Ravens also were preparing for the arrival of another quarterback. Jets coach Robert Saleh announced that Josh Johnson was heading to Baltimore from New York’s practice squad.
Tyler Huntley relieved Jackson against Cleveland and led a comeback that fell short in a 24-22 패배. Baltimore hosts Green Bay on Sunday.