Rayo Vallecano head into this one in decent home form, winning three of their last five at Vallecas, and their defensive record on home soil has been solid this season, keeping clean sheets in over 40% of home games. Their low-scoring home matches — averaging just two goals combined — reflect a cautious, compact setup that can frustrate visiting sides. Villarreal, however, arrive in strong form with four wins or draws from their last five away fixtures, and their away record shows far more openness at both ends.

The data suggests Villarreal's away BTTS rate of 65% is notably above the league average, while Rayo's home games trend well below average for goals. The tension between those profiles makes this interesting. Rayo's limited head-to-head sample favours Villarreal, and with the visitors pushing for a top-three finish, they carry genuine motivation.

This looks tighter than a mid-table versus third-place matchup might suggest, but Villarreal appear undervalued here.