Valencia head into this clash in poor form, winning just once in their last five at home, while Rayo arrive in considerably better shape with three wins from their last five away from home. The form gap is notable, and despite Valencia's home advantage, the data suggests the visitors carry genuine momentum into this one.

Tactically, the goal data tells an interesting story. Valencia's home games see BTTS land at roughly the league average, but Rayo's away record shows a striking suppression of combined goals, with BTTS occurring in fewer than a third of their road fixtures compared to the league norm of 56%. Their away defensive record does leak, averaging 1.6 conceded per game on the road, but they tend to keep things tight at the other end.

With Rayo sitting a place above Valencia in the table and carrying the better recent form, this looks tighter than a straightforward home fixture might suggest, and the visitors appear undervalued heading in.