The Bears placed Jones (undisclosed) on injured reserve Sunday with a designation to return.
It is unclear when exactly Jones suffered his injury. The cornerback will now need to miss at least the first four games of the regular season before he is eligible to return to the Bears' active roster. With Jones sidelined, Clark Phillips is set to be the primary backup at outside cornerback as long as Jaylon Johnson (arm) and Tyrique Stevenson (leg) are healthy enough to start.