With 2013 drawing to a close, it's an apt time to reflect on the performances we've witnessed throughout a compelling year of international cricket.
More specifically, with another Ashes series already decided and a heavyweight clash between South Africa and India just commencing, it's a nice opportunity to examine which players have shown the greatest degree of improvement on the global stage in 2013.
All of the world's major Test-playing nations have overseen significant development in a number of their players this calendar year; even the dominant forces of the international arena witnessing new stars emerge amongst their ranks.
So which players have improved the most over the course of this calendar year? Which 25 stand above the rest in terms of growth over the previous 12 months?
Those players are presented in the following slides.