Stupid question re. weight

Savage Tyrant

Just wondering if fighters had to be a "minimum" weight for a fight?
I know it's not likely to ever happen, but is there anything legal or otherwise in the rules to stop for example, a middleweight fighter challenging a heavyweight (say for a title) without actually ramping his weight up to 206?
If he honestly believed at his ideal weight around 185, he could beat the heavyweight champ, would he be allowed to try? I say for a title because I know for a grudge match they could just meet somewhere in the middle at a catchweight.
Like I said, I know it's unlikely, but just wondering.

bjj-fighter

Well if the fight is sanctioned by an athletic commision such as nearly all UFC events then the committee would not allow a fight with such a weight difference to take place. Catchweight fights are also rare and there would never be a very big weight difference (since they both would have to weigh in anyway).

Richy06

For a fighter to fight for a weight classes title, he must make weight in that division. So for a Welterweight title bout, he would have to be between 156 and 170 pounds (71 and 77 kgs) with a pounds worth of grace either side of the limits I believe.
Otherwise both fighters would have to agree to a catchweight fight if one or both fighters fail to make weight.

Mellor

In short.
Yes there are minimums, 146, 156, 171, 186 and 206 respectively from LW to HW.
It's the same for the other 4 divisions, (actually not sure about FW)
The 1 pound allowance only applies to non-title fights.

I'm sure there are some rules for catch-weight bouts to prevent huge mis-matches, but not sure what they are.

Jason McCabe

Unless the match is in Japan