Friend or foe?
The "Demolition Man" has trained alongside Schilt for more than seven years, and as he put it, fighting him would "be like sparring." In the process, Overeem has all but guaranteed that he will not face Schilt until he absolutely has to if both fighters advance to the final from different sides of the bracket.
And who can blame him.
Schilt, who is now set to face off against K-1 heavyweight champion Kyotaro, is nothing short of dominant in the K-1 arena, accumulating an above average record throughout his career. He's also the K-1 super heavyweight champion, as well as a four-time K-1 World Grand Prix winner.
But let's not look past Spong.
He looked very impressive in his decision win over Xtreme Couture's "Suger" Ray Sefo. He is much smaller then Overeem (210 pounds), but does boast a staggering record of 65-5-1-1 over his kickboxing career.
Here are the final four match ups: