'“Who is going to emerge at receiver? Who is going to back up Shady? The Mike Gillislee departure left a void to fill,” Polian said. “I have no question that the defense will come together. It just might take a while. It will come more sooner than later because (the scheme is) so similar to what Jim Schwartz did there. You’ll see them get cohesive relatively soon. I want to see how the offensive line performs. That’s an area where I think there are some question marks as to how well it can perform.”'