I was skeptical when Nate Silver first got picked up by the NY Times; I was an avid follower of his site when it was independent (during campaign years). But, the Times really did a great job of supporting his work. The infographics and visualizations and interactive graphs that they produced -- typically with D3.js, which was cool to see -- were really second-to-none. (Who can forget http://www.nytimes.com/interacti…
As a long time Nate follower, he is very good at posting basic graphs alongside very strong explanations of said graphs. However, he has very little skill when it comes to more creative, targeted, unique graphs like the one that you linked.
However, he's a smart dude and ESPN has plenty of resources. I'm sure he'll be fine.