Moreno, with a winners' medal around his neck, said in a live video recording on
Instagram that captured Villarreal's response to downing United: "Vamos! You'll never walk alone! You'll never walk alone!"
The 28-year-old Spaniard added: "For all the fans of Liverpool, vamos! Man United? Get out! Get out, Man United, get out. You'll never walk alone. Siempre [forever] Liverpool."
How did Moreno get on at Liverpool?
The 28-year-old joined the Reds from Sevilla in the summer of 2014 and would go on to spend five years in England. He made 141 appearances for Liverpool before returning to his homeland.
"I still don’t understand the amount of criticism,” Moreno told