9. Kyle Abbott, Rilee Rossouw, and David Wiese
Opting to play for county sides under a Kolpak deal as opposed to representing the country can be an incredibly tough decision. Abbott and Rossouw, after much thought, inked a deal with Hampshire county cricket club while Wiese penned it with Sussex in January 2017.
They had their moments of glory for the Proteas but perhaps weighed in several factors before calling it quits. We can get to watch them in their full flow in T20 leagues spread across the calendar.