You can't go home again. Or at least the Chargers wouldn't let Khalil Mack do it, so they paid him $18 million to stay. It's safe to wonder if he ever really would have wanted to return to Chicago.

LAKE FOREST — Consider the line of scrimmage a little different now for the Bears, particularly on offense. Bolstering both sides of the sagging line was the goal for coach Ben Johnson and GM ...