Manchester United kept their 11th successive clean sheet against West Brom on Tuesday, the 27th. In process, they broke Chelsea's long standing record of 10 consecutive clean sheets set 4 years ago in their championship season. It's a truly outstanding achievement.
They had to this with Rio Ferdinand and Wes brown injured, 2 of their regular back four. John OShea, Johny Evans, Gary Neville and Rafael all contributed in this run. However, the star of the show is Nemanja Vidic. The big Serbian defender was faultless in his reading of the game and dangerous in set play situations.
As they say offense wins you games, defence wins championships. Having a good defense, makes the other team frustrated since they can't break you down. This in turn, helps attacking players. Man Utd's defence has helped their attacking players like Ronaldo, Berbatov, Tevez and Rooney to score goals.
It's important to note that 6 of these matches had 1-0 score and one had 0-0. When the other team is playing their best game on a day, it's very easy to concede a goal and that puts pressure on your team and players can make a mistake in pressure situation. That's why, having a solid defence is important. Your team can be safe in knowledge that we don't concede and hence we can't loose.
Jose Mourinho applied the same philosophy to Chelsea team in 2004-05 and they were experts in 1-0 wins. It may not be the most effective and popular brand of football, but it's the safest way in a league tournament.