‘When the schedule starts to get a bit tougher, will the Bills’ flaws come back to bite them? Buffalo’s next two opponents – the Patriots and Falcons – are a combined 4-4. Nobody is confusing either of them with the ’85 Bears, but consider this: Buffalo’s first four opponents are a combined 2-14. “We could play better, for sure. I know I could play better. I’m excited for the future. Moving forward, we’re 4-0 now, but there is room to grow,” defensive end Greg Rousseau said Wednesday. “It would be scary if we were peaking right now and there was no room to grow. I know I’ve got a lot to work on, the rest of the team, we’ve all got ways we can get better.”‘