New Delhi, April 15 -- Paris Saint-Germain's grip on the Champions League trophy remains strong.

The defending champion advanced to the semifinals of European club soccer's biggest competition by dumping out six-time winner Liverpool on Tuesday.

A 2-0 win at Anfield sealed a 4-0 aggregate victory and moved PSG a step closer to becoming only the second club to retain the trophy in the modern era after all-time king of Europe Real Madrid.

"It's difficult to defend the Champions League, we know that," said coach Luis Enrique. "We are here again and we need to make the most of these opportunities."

Ballon d'Or winner Ousmane Debele scored two second-half goals to kill off Liverpool's fight and book a semifinal clash against either Bayern ...