![Laver Cup: Federer, Nadal, Djokovic, Murray during legend training - the Big 4 among themselves · tennisnet.com Laver Cup: Federer, Nadal, Djokovic, Murray during legend training - the Big 4 among themselves · tennisnet.com](https://www.tennisnet.com/fileadmin/_processed_/5/0/csm_murray-djokovic-federer-nadal_1ff4bed23e.jpg)
Laver Cup: Federer, Nadal, Djokovic, Murray during legend training - the Big 4 among themselves · tennisnet.com
![ATP: For the first time since 2003 - none of the "Big 4" in the top two in the world rankings · tennisnet.com ATP: For the first time since 2003 - none of the "Big 4" in the top two in the world rankings · tennisnet.com](https://www.tennisnet.com/fileadmin/_processed_/c/0/csm_Murray_Djokovic_Federer_Nadal_890c3a5c47.jpg)
ATP: For the first time since 2003 - none of the "Big 4" in the top two in the world rankings · tennisnet.com
Why is the term 'Big Four' used in tennis when its clear to everyone that Murray is nowhere near the class and achievements that the other three have managed? Is it justified
![Men's Tennis: Which of the Big Four Had the Best 2012? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Men's Tennis: Which of the Big Four Had the Best 2012? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/001/945/567/hi-res-107048223_crop_north.jpg?1350625903&w=3072&h=2048)