Oleg 's grappling bona fides were impressive to people who knew Sambo from shinola .
This was the era in MMA when everyone claimed 300 - 0 records IN THE STREETS and swore people would unleash hidden techniques thought lost to history .
Oleg 's grappling bona fides were impressive to people who knew Sambo from shinola , but this was the era in MMA when everyone claimed 300 - 0 records IN THE STREETS and swore they would unleash hidden techniques thought lost to history .