You might find Fight Night Champion on DODI or FitGirl, but those are typically PS3 ISOs. The approach is different. They focus on preservation of configuration .
You must legally own a copy of Fight Night Champion for PS3. This guide is for educational purposes regarding emulation configuration. fight night champion rpcs3 gnarly repacks repack
Always support developers by buying official games where possible, but for preservation of a delisted classic? This is the only jab you need to land. You might find Fight Night Champion on DODI