Question 1: Who was the former Liverpool player that returned to Anfield as the manager of Bayer Leverkusen?
Answer: The former Liverpool player who returned to Anfield as the manager of Bayer Leverkusen is Xabi Alonso.
Question 2: What was the final score of the match between Liverpool and Bayer Leverkusen?
Answer: Liverpool won the match against Bayer Leverkusen with a score of 4-0.
Question 3: How many goals did Luis Diaz score in the match?
Answer: Luis Diaz scored a hat-trick, which means he scored three goals in the match.
Question 4: What was the significance of this match for Liverpool in the context of the Champions League?
Answer: This match was significant for Liverpool as it maintained their 100% record in the Champions League for the season.
Question 5: How many games had Bayer Leverkusen played without a loss before this match?
Answer: Bayer Leverkusen had been unbeaten in their previous games before arriving at Anfield.