K-1 announced today that "The Dutch Lumberjack,"
Peter Aerts, will step in to face his countryman
Errol Zimmerman at the K-1 World Grand Prix 2009 event in Yokohama on March 28th. Zimmerman's original opponent,
Badr Hari, informed K-1 late last week of an undisclosed injury which will keep him out of the bout; Hari
is scheduled to face Semmy Schilt at IT'S SHOWTIME's May 16th event.