Kesler was also wearing a visor but Sheppard ripped his helmet off so I don't see why guys have to complain that Sheppard was wearing one. The first thing you do in a fight is take the other guys shell off or both agree to do it in the first place.
After a cheapshot by Burns on Burrows, numerous Canucks players tried to get at him. But Burns backed off and let Sheppard come in and take on Kesler, who is not a fighter. Kesler then proceeded to feed Sheppard his lunch. Not even close, complete domination by Kesler