Heavy cyberization does tend to lead to lethal pit fighting, yes. More "sporting" combat is more likely to be found among mundanes and adepts, because they're more concerned with natural athleticism. But... since you
are so heavily cyberized... this is
exactly why the Sangre y Acero martial art was written up.
![nyahnyah.gif](http://forums.dumpshock.com/style_emoticons/default/nyahnyah.gif)
The money should be decent. People are putting their lives on the line, after all. Maybe have the GM choose the price of the cover fee to watch the fight, or the average size of a bet that would be made for that fight, multiply by the size of the crowd, then take a percentage of that as the winnings for the surviving fighter (10-30%, maybe?).
The fights should also be CRAWLING with undesirables and criminals, private and organized alike. There should also be at least some danger of a raid by the authorities if the local mob protection isn't strong enough. And the Sammy is gonna need contacts with whoever runs the show, or no one is gonna let him fight. You'll probably need to grease the wheels to get started, maybe impress someone, maybe bribe someone, and you'll definitely have to please the crowd. You should also have to deal with underworld politics and crazies. Unfair matchups should be a real risk, angry friends of defeated foes might seek revenge, desperate spectators might try to interfere in a match to make sure they win their bets, and even just getting to the fight venue could be a source of difficulty or annoyance, depending on local gang activity.
Of course, there might be other types of fights available, even for the insanely cybered. Maybe you and your GM can come up with something like an underground transhumanist cyborg MMA league. They'll probably not be as big or profitable, but it's a non-lethal option with a lot less risk, both of death and of other troubles. Steampunk is still fashionable in the 2070s, I imagine somewhere in the world there might even be a gentleman's mechanized boxing league, where dapper machine-men have good clean honorable fights and get paid in tea and jaffa cakes. Whatever works for you and your group.
~Umi