I’d put it close to zero. He was likely presented with the deal once it was sourced and reviewed by his investment team, who likely did 100% of the work. It doesn’t mean he didn’t make the final decision, but pro athletes dont have time to do much investing work beyond high level networking and approving deals.
Durant is more than just an athlete who gets suggestions from those who handle his investments; he co-founded a venture firm ten years ago that has invested in over 100 companies.
https://www.hustlefund.vc/post/angel-squad-kevin-durant-inve...
While it's true he may not "do the work" and relies on those he's hired, the same is true of the Mark Cubans of the world.