5) When rookie receiver Ty Montgomery caught his 31-yard touchdown pass against the St. Louis Rams, there wasn’t a defender to be seen in the middle of the field. Montgomery was all alone to make the catch, turn and glide into the end zone. The reason for the massive opening in the middle of the field was the use of twin-receiver concepts by the Packers designed to create space by confusing the opposition. The two receivers took off up the field in close quarters before splitting in different directions, and the presence of four bodies — two offensive players, two defensive players — in close quarters can cause problems. Though the offense struggled again Sunday, the Packers did make use of the twin-receiver concept as a way to create separation if winning one-on-one battles does not go as planned. Randall Cobb and Davante Adams lined up in a two-receiver stack with twin breaks early in the first quarter, with Adams breaking inside and Cobb breaking toward the sideline. Cobb generated plenty of space and quarterback Aaron Rodgers delivered a perfect pass that was dropped. Later, Adams and Jared Abbrederis lined up on the left side of the formation and ran intersecting routes. Adams cut toward the middle from a wide position and Abbrederis looped up the sideline on a wheel route for a 15-yard gain. It was the first catch of his career.