NBC Sports' Michelle Tafoya reported from the sideline that Jones was noticeably limping as he was walking off the field:
TAFOYA: Ravens are calling the injury to Jacoby Jones a right knee sprain. He's being evaluated in the locker room.— SNF on NBC (@SNFonNBC) September 6, 2013
TAFOYA: Jacoby Jones walking off gingerly after that collision.— SNF on NBC (@SNFonNBC) September 6, 2013
Jones returned to practice, but was inactive for Week 5. He is active for Week 6.