The 2015 Super Rugby season was the 20th season of Super Rugby ...wikipedia - 24 Aug 2015
The 2015 Super Rugby season was the 20th season of Super Rugby and the fifth season featuring an expanded 15-team format. For sponsorship reasons, this competition was known as Asteron Life Super Rugby in Australia, Investec Super Rugby in New Zealand and Vodacom Super Rugby in South Africa. The round-robin matches took place every weekend from 13 February until 13 June, followed by the finals series and culminating in the final on 4 July. This was the final season that featured a 15-team format.