Wolves proved there was no FA Cup hangover following their recent exploits at Liverpool as they won 3-1 at 10-man Barnsley.
David Edwards scored twice and Kortney Hause was also on target, with Marc Roberts grabbing a consolation for the Reds.
Paul Lambert's outfit shocked the Premier League giants at Anfield on Saturday and a much-changed side turned on the style at Oakwell, inflicting Barnsley's first home league defeat since November.
Alex Mowatt, a recent arrival from Leeds, endured a nightmare debut for the hosts as he was sent off for a two-footed lunge on Jack Price five minutes before the break.