The manager was pleased with the spirit shown by his side to come back from twice falling behind, on the back of Sunday's gruelling Emirates FA Cup semi-final against Coventry City.
Harry Maguire, Bruno Fernandes (2) and Rasmus Hojlund scored the goals as the Reds capitalised on Newcastle United's 2-0 defeat at Crystal Palace to move above the Magpies into sixth spot in the Premier League table.
See what Erik had to say to BBC's Match of the Day, talkSPORT and Sky Sports afterwards...
POSITIVES AND NEGATIVES
"It was a good game for the crowd.