TheLuxembourgish Footballer of the Year is an award granted every season to afootball player from Luxembourg's domestic top-flightNational Division, rewarding the player judged to have been the most valuable to his team that season. It is awarded by the sports desk ofLuxemburger Wort, Luxembourg's most-readdaily newspaper. It has been awarded every year since 1988, and has been named theGuy Greffrath Challenge afterGuy Greffrath, the long-time sports editor at Luxemburger Wort, since 1997.