In's latest stats review, we highlight the records left in the wake of Cristiano Ronaldo and Pep Guardiola, while reflecting on a good week for Olivier Giroud, Corinthians and the Eternal City's big two.

50 Bundesliga victories was the landmark Pep Guardiola reached in record time on Saturday when his Bayern Munich side won 1-0 at Borussia Dortmund. The half-century was achieved in just the Spaniard's 61st match in charge, and the clean sheet his side registered also left them with a new record-low tally of goals conceded (13) after 27 matchdays. Dortmund, on the other hand, have now failed to find the net in each of their last three home matches - a first since the Bundesliga was formed in 1963. And it will hardly cheer BVB to learn that, since beating Bayern in the 2012 DFB Cup final, they have picked up 78 fewer points than their old rivals, with this season's tally less than half that of the champions-elect.

22 competitive games and over four months have now passed since Corinthians last tasted defeat. O Timão's fine run, which has left them top of their Copa Libertadores and Paulista state championship sections, continued over the past week with a landmark win in the former competition. Danubio were the Brazilians' latest victims, going down 4-0 thanks largely to Paolo Guerrero claiming the club's first hat-trick in the Libertadores since Luizao in 2000. It was the perfect way to mark Corinthians' 100th match in South America's elite club competition and extended their unbeaten home record to 19 matches - the tournament's longest active streak. A gap of six points now separates them from city rivals Sao Paulo, whose recent history in the Libertadores makes for mixed reading. While at home they are near-invincible - having not lost to a non-Brazilian team in 22 games - their form on the road is dreadful, with last Wednesday's defeat to San Lorenzo their eighth away loss in succession.

6 consecutive Premier League appearances have now been marked by an Olivier Giroud goal after the Arsenal striker continued his fine run in Saturday's 4-1 win over Liverpool. The France international became just the third Gunners player in the Premier League era - following Ian Wright in 1994 and Emmanuel Adebayor in 2007-08 - to achieve such a consistent scoring streak. His and Arsenal's achievement was all the more impressive as it came against a Liverpool team who came into the match having not conceded an away goal in over nine hours of Premier League football. That particular run came to a spectacular end though, with Arsene Wenger's side netting three times in the space of nine first-half minutes, leaving Liverpool three down at half-time in a league match for the first time in 21 years. The result also enabled Arsenal to leapfrog out-of-form Manchester City, who lost on Monday at Crystal Palace and have now suffered four straight away defeats for the first time since 2006.

5 goals in a single match became the latest feat added to Cristiano Ronaldo's lengthy CV on Sunday. The prolific Real Madrid star achieved this career first in a record-breaking 9-1 demolition of Granada, becoming the first man to hit five in La Liga since Radamel Falcao in 2012 and the first Real Madrid player to do so since Fernando Morientes ten years earlier. Ronaldo's first three goals arrived in the space of just eight minutes - his 31st and fastest-ever hat-trick for club and country - and ended a unusually long run of 19 matches without a treble. Indeed, the Portugal captain equalled in the space of 90 minutes his tally over Real Madrid's previous ten La Liga matches. This latest burst of goals took him on to 210 in the Spanish top flight, a landmark he has reached in just 191 appearances - setting a new record. Ronaldo's goals helped Real register their biggest La Liga win in 47 years, emulating a 9-1 victory over Real Sociedad in season 1967/68. Carlo Ancelotti's on-song side also became the first team to score nine goals in a Spanish league match since Barcelona in 1979, while Granada were left to lament the heaviest defeat of their top-flight history.

4 months and five days after their last home Serie A victory, Roma returned to winning ways at the Stadio Olimpico on Saturday. A 1-0 triumph over Napoli ended a wait that has gone on since a 4-2 defeat of Inter Milan on 30 November, with Miralem Pjanic scoring the only goal - his first since that aforementioned match against Inter. Ending their seven-match winless streak came at just the right time for Roma, whose hold on second place is now under major pressure from their city rivals. Lazio's 3-1 win at Cagliari on Saturday was, after all, their seventh Serie A win in succession - the club's best run in eight years - and they are the only side in the top five European leagues this season with five or more players boasting at least seven top-flight goals.