Donald Trump says Jim Brown was such a stud back in the day, he would UNDOUBTEDLY be the highest paid player in the NFL if he was active right now.
The problem is ... he's wrong.
"I've known him. I've respected him truly," Trump said about Brown ... "Can you imagine him playing in the NFL today what he'd be making? Double what everyone else is getting! He was the greatest."
Trump's right -- Brown was insanely good and arguably the best NFL player of all time. But, NFL contracts today .