K-1 on Friday evening held weigh-ins for "Battle at the Bellagio '07," which is headlined by a kickboxing match between "Mighty Mo" Siala Siliga (Pictures) and PRIDE veteran Stefan Leko (Pictures).

Siliga tipped the scales at 299 pounds, seven pounds heavier than he weighed in early June for a mixed martial arts contest that saw the 36-year-old from San Bernardino, Calif. destroy Ruben Villareal (Pictures) at the Los Angeles Memorial Coliseum on Fight Entertainment Group's "Dynamite!! USA."

Leko, who after dropping all three of his MMA contests in PRIDE returned to the kickboxing stage, registered a weight of 215 pounds.

Non Tournament Bouts:
Siala "Mighty Mo" Siliga (299) vs. Stefan Leko (Pictures) (215)
Ray Sefo (Pictures) (250) vs. Bjorn Bregy (279)
Petr Vondracek (238) vs. Ariel Mastov (205)

Eight-man Tournament:
Tsuyoshi Nakasako (207) vs. Alexandre Pitchkounov (226)
Imani Lee (310) vs. Rick Cheek (Pictures) (255)
Patrick Barry (232) vs. Rickard Nordstrand (199)
Brown Ton (221) vs. Zabit Samedov (203)