Preseason finale could loom large in shaping Bears' final roster

The fourth preseason game might seem meaningless, but it can have subtle consequences. Last year, Henry Melton was on the bubble going into the preseason finale against the Cleveland Browns, but he solidified his roster spot with seven tackles in a standout game. Melton established himself in the rotation at defensive tackle last season, and now the Bears are counting on him taking a big step in place of former Pro Bowler Tommie Harris. On the other hand, Todd Collins solidified his role as the No. 2 quarterback with a sterling performance — 10-for-15 for 139 yards, one touchdown and …