I don't like baseball either. 正式场合either前面加不加逗号?

I don't like baseball either. 正式场合either前面加不加逗号?
I don't like baseball either. 正式场合either前面加不加逗号?

I don't like baseball either. 正式场合either前面加不加逗号?
either 放在否定句末,意味“也”的时候,前面需要加逗号的.
例如：I can't swim ,either.

我也不喜欢篮球（要加）

可加也可不加，那个逗号不是很重要。