Many fighters in the civil war fought on different sides at different times.
The fight turned out to the be the last time that two Jewish fighters have fought for a world title.
"Every fighter should fight more frequently, but they don't," Turner said.
Both fighters repeatedly fought back when hurt, taking turns controlling the action.
Thus, a fighter whose weight is over 200 lb may not fight as anything but a heavyweight.
For safety reasons, fighters cannot fight at a higher weight.
Boxing organizations created many divisions so that fighters could fight people of the same size.
Both fighters fought after the bell and needed to be separated by their corners.
"Your fighters must fight today or not at all," he said sternly.
Often skilled fighters will fight to recruit men into their tribes.