South Africa coach Heyneke Meyer is doing everything he can to take the pressure of his side ahead of this weekend's semi final against New Zealand, labelling the current crop of All Blacks as the greatest rugby side of all time. "This is not just talk - I really believe they are the best side to ever play the game," Meyer said. "If you look at their record over the last four years after the World Cup - usually after the World Cup there is a decline in performance. "Steve [Hansen] has been there for eight years as an assistant [now head coach] and most of their coaching staff have gone on. They have just got better as they have gone on which doesn't usually happen in world rugby. "But in saying that, you have to believe that you can beat them." Many consider the 2011 World Cup winning All Blacks side as the best of all time, however Meyer thinks the Kiwis are even better now, four years on. "What they do well is that because they have so many guys who played in the previous Worl