Clint Eastwood humbled Kevin Costner on set while he was about to hit A-list status. The legendary actor and filmmaker, now 96, showed the former Yellowstone star, now 71, the 'pecking order' on the set of 1993 classic film A Perfect World. Clint's son Scott Eastwood appeared on Dax Shepard's podcast Armchair Expert on an episode released on Monday as he told the 'legendary' story of how his father knocked Costner off of his high horse. As Costner had just won Oscars for Dances with Wolves in the Best Director and Best Picture categories, Scott said: 'Kevin Costner, sort of going through, you know, the Kevin Costner rise to fame and…
