Complex sentence: Simpson to this day is the highest transfer the Toronto Lynx and Lombard-Pápa TFC have ever made and is to date the highest purchase that SK Kladno has ever made per loan spell.
Split into simpler sentences: Simpson to this day is the highest transfe the Toronto Lynx, and Lombard-Pápa TFC has ever made. And is to date the highest purchase that SK Kladno has ever made per loan spell.