<https://kridangan.com/tennis/threat-big-four-2015-rise-new-young-breed-mens-tennis-2014/5052/#webpage>
<http://schema.org/description>
"In 2014, Nick Kyrgios, Kei Nishikori, Milos Raonic and Marin Cilic kept themselves in the news all-round the year and they were recognized as the face of tennis force to reckon with in the nearest future. These four, and a few others of their genre, surprised many with their superlative performances in different tournaments. In the US Open, Nishikori and Cilic met each other in the final after defeating Djokovic and Federer and ensured their berths in the year-end ATP"
<http://kridangan.com/tennis/threat-big-four-2015-rise-new-young-breed-mens-tennis-2014/5052/>