Tyson Fury, 2-time heavyweight champion of the world, undefeated (31-0-1) with wins over Deontay Wilder (twice) and Wladimir Klitschko ... the greatest heavyweight ever?!?
Hell no, according to Oscar De La Hoya ... who, standing with his girlfriend Holly Sonders, tells TMZ Sports the Gypsy King is certainly one of the greatest of this generation -- but not the best ever.
"Of all-time? All-time? So, you're disrespecting Muhammad Ali?