Allen (heel) didn't participate in practice Thursday.
Allen was listed with a heel injury during Week 1 prep but still suited up in the Bears' season-opening win against the Titans, turning 11 targets into four catches for 29 yards. Since then, he hasn't logged any practice reps and also didn't play Week 2 at Houston. As such, Allen may need to mix into drills Friday to give him a chance to be available Sunday in Indianapolis.