It looks like either a boom camera or one that's suspended from cables over the field. They have other cameras because they have higher angles on replays and crowd shots. Sometimes I think directors get too artsy-fartsy.
Would assume from the description that you guys are citing a jib camera. They likely have some of these tricky spots and camera choices owing to the ESPN3D broadcast being overlayed there; pretty sure they can't/don't share glass on these sorts of shows.