Rayo Vallecano de Madrid, S.A.D., often abbreviated to Rayo, is a Spanish professional football club based in Madrid, in the neighbourhood of Vallecas. The club competes in La Liga, the top flight of Spanish football.

Liverpool won the 2000–01 UEFA Cup with a golden goal in the final against Alavés for their third title in the competition. It completed a cup treble for the club, as they also won the FA Cup and the League Cup that season. The conclusion of the tournament by a golden goal is the only instance in any of the major European club cup competitions until the abolition of the rule in 2002.