Butterfly each steak by cutting horizontally through the center, not quite through the other side. Pound flat. Place into marinade. (Steaks can be marinated 30 minutes or up to 48 hours in the refrigerator)
Preheat oven to 400*. Place a wire rack into a baking dish.
Place 1 flattened steak onto work surface. Spoon 1 tablespoon pesto onto center of steak. Place cheese onto pesto. Roll long ways, folding in the outside edges. Wrap 2 slices of bacon around steak roll, securing with toothpicks.
Repeat with all ingredients. Place steak rolls into baking dish. Bake 20-25 minutes. Broil on High last 5 minutes to crisp bacon.