Jose Mourinho has seen his Chelsea side undefeated for 23 matches in all competitions. Photograph: Reuters.

The pursuit of perfection can feel like a hopeless dream in football. Last week a hush descended upon the Etihad Stadium as Bayern Munich produced (...)

 Sergio Agüero of Manchester City scored three against Bayern Munich. Photograph:  Michael Regan/Getty Images

Manchester City 3 Bayern Munich 2The astonishing thing about this night is that it, once again, it exposed all Manchester City’s shortcomings in Europ(...)

Lionel Messi takes part in a training session at Ciutat Esportiva Joan Gamper in Sant Joan Despi near Barcelona. Photograph: Reuters

Lionel Messi, hailed by many as the greatest footballer of all time, may leave Spain after continuing to fall foul of the tax authorities, sources (...)

 Real Madrid’s Spanish goalkeeper Iker Casillas saves a ball during the team’s training session in Valdebebas sports complex near Madrid,  Spain. Photograph: Juanjo Martin / EPA

Iker Casillas cannot remember what he was drawing at the exact moment he was called up to Real Madrid’s Champions League squad for the very first time(...)

Real Madrid goalkeeper Iker Casillas  during their Spanish first division soccer match against Atletico Madrid at Santiago Bernabeu stadium in Madrid at the weekend. Photograph: Juan Medina/Reuters

Real Madrid begin the defence of the trophy that appears to have been forgotten after just six games. They waited 12 years to finally win their 10th E(...)

Cristiano Ronaldo of Real Madrid poses with his Uefa’s Best Player in Europe  award at Grimaldi Forum, Monte Carlo, Monaco, last month. Photograph: Sebastien Nogier / EPA

Real Madrid president Florentino Perez sought to play down an apparent spat with Cristiano Ronaldo on Friday as he announced the La Liga club’s income(...)

Burnley host Chelsea in a Division One game  from Turf Moor, Burnley circa 1965. The club have been playing on this piece of land since February 1883. Photograph: Bob Thomas/Getty

Angel Di Maria’s last appearance for Real Madrid came in the first leg of the Spanish Super Cup against neighbours Atletico almost a fortnight ago. Th(...)

 Xabi Alonso arrives for medical check at FC Bayern Muenchen’s team doctor Hans-Wilhelm Mueller-Wohlfahrt office. Photograph:   Alexander Hassenstein/Bongarts/Getty Images

German champions Bayern Munich have completed the transfer of former World Cup winner Xabi Alonso from Real Madrid on a two-year deal as they seek to(...)

 Xabi Alonso set to move to Bayern Munich. Photograph: Franklin/Bongarts/Getty Images

German champions Bayern Munich are close to signing former World and European champion Xabi Alonso from Champions League winners Real Madrid. The 32-y(...)

Raul Garcia of Atletico  Madrid scored a late header to earn his side a 1-1 draw against Real Madrid. Photograph:  Gonzalo Arroyo Moreno/Getty Images

Atletico Madrid’s Raul Garcia netted a late equaliser to earn a 1-1 draw at Real Madrid in the Spanish Super Cup first leg after substitute James Rod(...)