User blog comment:IamJakuhoRaikoben/Chapter 373: Life or Death?, Review./@comment-5233713-20140302202017/@comment-7418318-20140302203052

By that logic it'd be Elfman vs. Keith, Jackal vs. Doranbolt, Juvia vs. Angel, Lisanna vs. Racer and Wendy vs. Ezel... all of them extremely unlikely in my opinion, except perhaps the Wendy vs. Ezel, if Lucy tells Carla to take Wendy to Face, which is only unlikely without the extreme.