The UEFA Champions League is back, and how! Chelsea were stunned by Dinamo Zagreb, which was swiftly followed by the sacking of Thomas Tuchel. Manchester City, Barcelona, Borussia Dortmund and Real Madrid picked up dominant wins, while Kylian Mbappe shone in Paris Saint-Germain's 2-1 win over Juventus.

Napoli stunned Liverpool with a 4-1 win at home, while Inter Milan lost their tie against Bayern Munich by a 0-2 scoreline. Late goals from either side saw Atletico Madrid draw FC Porto, while Tottenham Hotspur defeated Marseille 2-0 at home.

By The Numbers has the best stats from across the competition -

1

Erling Haaland scored his 25th career UCL goal in 20 games, thereby becoming the fastest player to 25 goals in Champions League history. At 22 years & 47 days, he is the youngest player to score 25 career UCL goals, breaking Kylian Mbappé's record (22y-80d).

Cristiano Ronaldo didn't score a single goal in his first 20 UCL games and is now the all-time top scorer.

Erling Haaland has 24 in his first 20 �� pic.twitter.com/w9awWZCjZp

- ESPN FC (@ESPNFC) September 6, 2022

1

Eden Hazard scored his first open-play Champions League goal for Real Madrid. His previous open-play goal in the competition was for Chelsea in October 2017.

1

Robert Lewandowski is the first player in history to score a UCL hat-trick for three different clubs (Borussia Dortmund, Bayern Munich and Barcelona). Interestingly, the last five hat-tricks in the UEFA Champions League have all been scored by either Lewandowski or Karim Benzema.

3

Chelsea have already suffered three losses in just seven games across all competitions so far this season. Last year, it took them 34 games to suffer the same amount of defeats.

3

Liverpool's biggest-ever defeat in the UCL is by three goals, done thrice (3-0 vs Barcelona in 2019, 3-0 vs Real Madrid in 2014, and 4-1 vs Napoli in 2022). Their biggest defeat in European competitions is a 5-1 loss to Ajax during the 1966-67 season.

4

Erling Haaland is the fourth player in UCL history to score in his first appearance for three different clubs (RB Salzburg, Borussia Dortmund, Manchester City) after Fernando Morientes, Javier Saviola, and Zlatan Ibrahimović.

5

Kylian Mbappé has scored in each of his last five UCL appearances, the longest active streak by any player in the competition.

13

With his assist to Mbappé, Neymar has contributed to 13 goals in all competitions this season (7G, 6A); he has only failed to score or assist in one of his eight games in 2022-23.

22

Robert Lewandowski recorded his 22nd career multi-goal game in UCL. Since Lewandowski's debut season in the UCL in 2011-12, only Cristiano Ronaldo (31) and Lionel Messi (26) have had more such games. He's also moved ahead of Karim Benzema (86) in the all-time UCL goal-scorers list, third behind Cristiano Ronaldo (140) and Lionel Messi (125) with 89 goals.

31

Only 31 players have scored more UCL goals than Haaland in the competition's history. He's ahead of the likes of Sadio Mane, Luis Figo and Paul Scholes. In a word, incredible.

35

At 23 years & 260 days, Kylian Mbappé is the youngest player to score 35 career UCL goals, breaking Lionel Messi's record (23y-308d).

36

Luka Modric extended his record as the oldest player to score a UEFA Champions League goal for Real Madrid (36 years & 362 days).

(Stats courtesy ESPN's Stats & Information Group)