The top 10 neighbors for Jason Dufner form a tightly compressed, golf-specific cluster — no single entity pulls far ahead of the rest, and the spread from first to tenth is only about two points.

The shape is flat: Rickie Fowler leads at 0.98, followed closely by The Masters at 0.97 and The Open at 0.96, with every other neighbor sitting within a narrow band down to Golf Digest at 0.96. Similarity here measures how closely two entities' audiences resemble each other in composition; the compression across these ten means no single neighbor is a structural outlier. The cluster is almost entirely golf — fellow tour athletes (Rickie Fowler, Dustin Johnson, Rory McIlroy), major championships (The Masters, The Open, U.S. Open (USGA)), the PGA Tour itself, and golf media (Golf Channel, Golf Digest). The one departure from that pattern is David Feherty at 0.96, a TV Personality rather than an athlete or event — the only non-athlete, non-event, non-media-brand in the top five.

Across all ten neighbors, subcategories break down as: four Athletes, three Sporting Events, one Sports League, one TV Channel, and one TV Personality — a set defined almost entirely by the professional golf ecosystem, with no crossover into entertainment, politics, or other sports in the top 10.

The flat shape signals an audience that is deeply sport-specific and consistent: whoever follows Jason Dufner overlaps almost equally with the full range of professional golf's players, tournaments, and broadcast infrastructure.