It is not a great rivalry if you are not able to win games. There was no change in the players demeanor after last years win. They just want to make it a real rivalry by winning.
It was a good road win last year thats what matters the most.
Right now football is in that trendy time of wearing "cool" uniforms. He wants his players to feel like they are part of mainstream by wearing cool uniforms. It is about balance, he doesn't want to change every week but a change up here and there is not bad.