It can be hard to keep track of where Luther Burden III is on the field at times. Tuesday’s Chicago Bears training camp practice showed just how hard a task it can be for defenders. D’Andre Swift runs a drill during the Chicago Bears training camp practice at Halas Hall on Wednesday, July 29, in Lake Forest. (Gregory Shaver/Gregory Shaver Shaw Media )Practice notesTuesday’s practice was another step in camp as the Bears practiced live tackling for the first time. Elijah Hicks started training camp on the Physically Unable to Perform list, taking away two of the Bears’ top-four options.