Wow Richard Parker, you just called the players of the NFL slaves, brain damaged slaves at that.  

“As fights were usually to the death, gladiators had a short life expectancy and so, although it was in some respects a glamorous profession, the majority of fighters were slaves, former slaves or condemned prisoners.  Nov 6, 2012
Gladiator - Ancient History Encyclopedia
https://www.ancient.eu/gladiator/

“Our travesty of an overweight, out-of-shape President” isn’t even that callous.