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Matchday two facts and figures

UEFA.com crunches the numbers after this week's games, including Iker Casillas's appearance record and yet another two goals for the relentless Cristiano Ronaldo.

Record-breaker Iker Casillas enjoys Porto's defeat of Chelsea
Record-breaker Iker Casillas enjoys Porto's defeat of Chelsea ©Getty Images

• Iker Casillas moved ahead of Xavi Hernández as the player with the most UEFA Champions League appearances, playing his 152nd match in the competition as his Porto side defeated Chelsea 2-1 in the Estádio do Dragão.

• Cristiano Ronaldo made it five goals in two UEFA Champions League matches this season with two at Malmö, hoisting his aggregate tally for the competition to a record-extending 82 – five ahead of Lionel Messi. Ronaldo's tally in the competition includes 67 in just 65 matches for Real Madrid.

• Barcelona recorded their 120th UEFA Champions League victory in coming from behind to defeat Bayer Leverkusen 2-1 at the Camp Nou. Only Real Madrid, with 125, have won more often. Bayern München and Manchester United are joint level in third with 108 victories apiece.

• Luis Suárez's winning goal against Leverkusen took his UEFA Champions League goal tally into double figures. The Uruguayan is the 130th player to register ten goals or more in the competition.

• Theo Walcott's equaliser at home to Olympiacos was the 250th goal scored by Arsenal in the UEFA Champions League. However, it was not enough to prevent the Gunners falling to their 48th defeat in the competition. Only three clubs – Porto (51), Olympiacos (50) and Galatasaray (49), all of whom avoided defeat on matchday two – have lost more games.

Cristiano Ronaldo on milestones

• It was 13th time lucky for Olympiacos as their victory at Arsenal ended their run of 12 defeats in 12 visits to England (three of them at Arsenal) in the UEFA Champions League.

• Robert Lewandowski's hat-trick in Bayern München's 5-0 home win against Dinamo Zagreb – which made it ten goals for the striker in a week – was his second in the competition, following his four-goal salvo in the 2012/13 semi-final first leg for Borussia Dortmund at home to Real Madrid. He remains the only Polish player to have recorded a UEFA Champions League treble.

• Bayern have now provided seven hat-trick scorers in the competition, one more than Madrid but two fewer than Barcelona, five of whose nine trebles have been provided by Messi. The other Bayern hat-tricks were scored by Mario Gomez (three), Roy Makaay, Ivica Olić and Claudio Pizarro.

• Benfica and Zenit both broke new ground by winning both of their opening UEFA Champions League group games – the Portuguese club at the 11th attempt, the Russian outfit at the sixth.