#6. New Zealand National Rugby Union Team (2011-2015)
In 2015, the New Zealand National Rugby Union team grabbed headlines all over when they became triumphant in the 2015 Rugby World Cup. The team had also won the previous World Cup in 2011. The team even matched their longest winning streak of 17 test victories between 2013 and 2014; New Zealand had earlier achieved similar results in between 1965 and 1970. Statically speaking, the country has been dominant in the sport for an even longer period than 2011-2015. They have played a total of 545 Tests against other nations and have won 420 of those matches, giving them a success percentage of 77.06%.