Overview

• Jackson left in the third quarter and was listed as questionable to return after the team identified a hamstring strain.
• Harbaugh said he did not know the severity and indicated none of the injuries from the game appeared season-ending.
• Backup Cooper Rush finished the game, completing 9 of 13 passes for 52 yards.
• Other starters who exited included Roquan Smith (hamstring), Marlon Humphrey (calf), Nate Wiggins (elbow) and Ronnie Stanley (ankle).
• The defeat drops Baltimore to 1-3, their worst start since 2015, with the Texans up next at home.