This can’t always be easy for Luke Getsy. After leaving the Green Bay Packers and the privilege of working with a four-time MVP quarterback within a high-powered offense, there have to be days when the headaches at Halas Hall prove intense, when the urgency of trying to accelerate the growth of the Chicago Bears offense leads to impatience and frustration. Quarterback Justin Fields, in his second training camp and with only 10 career starts, isn’t Aaron Rodgers, who has won more division championships (eight) than Fields has touchdown passes. The Bears, who averaged 319 yards and 20.7 points over the last two seasons, aren’t the Packers (377 yards and 29.1 points per game during that span).