While there is still time to make moves this offseason, the roster for the Buffalo Sabres feels largely set. With that in mind, this is an early look at three key training camp battles worth watching at Buffalo Sabres' training camp. This opens up arguably the biggest training camp battle for 1C. If Ellis is able to prove during training camp and preseason that he can handle being the backup, the Sabres might explore trading Lyon. With training camp still a month away, there are things that could certainly change but right now these are three key position battles to have in mind for the Buffalo Sabres.