The Blues took the lead in the 10th minute when Fernandez, under pressure from Ben Chilwell, turned in Mason Mount’s cross.
Isaac Hayden wasted a great chance to equalise on the hour but Timo Werner burst through on goal before passing to Abraham to double Chelsea’s lead.
“We put the game away with a professional performance,” Lampard said. “The result is key because the Premier League is tough and relentless.”
A twice-taken penalty from Bruno Fernandes...