Bellator 138 fighter weigh-ins took place today, and the heavyweight headliner featured one competitor who could have registered on weight for a light heavyweight title fight.

Weigh-ins took place at St. Louis’ Scottrade Center, the same venue that hosts Friday’s Spike TV-broadcast fight card.

“Bellator 138: Unfinished Business” features a heavyweight headliner of Kevin “Kimbo Slice” Ferguson (4-2 MMA, 0-0 BMMA) vs. Ken Shamrock (28-15-2 MMA, 0-0 BMMA), not to mention a featherweight title fight between current champ Patricio Freire (23-2 MMA, 11-2 BMMA) and challenger Daniel Weichel (35-8 MMA, 4-0 BMMA).

Slice hit the scales at 232 pounds, while Shamrock weighed just 204.4 pounds.

Bellator 138 weigh-in results include:

MAIN CARD (Spike TV, 9 p.m. ET)

Kimbo Slice (232) vs. Ken Shamrock (204.4) Champ Patricio Freire (144.9) vs. Daniel Weichel (144.5) – for featherweight title* Bobby Lashley (239) vs. Dan Charles (228) Henry Corrales (144.9) vs. Daniel Straus (144.4) Derek Campos (152.5) vs. Michael Chandler (155.6)

PRELIMINARY CARD (MMAjunkie, 7 p.m. ET)

Garrett Mueller (135.6) vs. A.J. Siscoe (135.5) Kain Royer (184.6) vs. Enrique Watson (185.8) Matt Helm (164.8) vs. Rashard Lovelace (160.6) Justin Lawrence (145.7) vs. Sean Wilson (145.8) Justin Guthrie (170.3) vs. Steven Mann (169.8) Garrett Gross (155.2) vs. Chris Heatherly (160) Adam Cella (170.3) vs. Kyle Kurtz (171) Eric Irvin (155.2) vs. Hugh Pulley (155.6) Miles McDonald (115.3) vs. Dan O’Connor (115.3)

* – Freire initially weighed 145.2 pounds but was given additional time and made weight on his second attempt.

For more on Bellator 138, check out the MMA Rumors section of the site.