Projections vs. the Fans: Starting Pitcher Edition
A month ago, I compared Depth Chart projections — a composite of the reputed Steamer and ZiPS projection systems — to fan projections, compiled on each player’s page as “FANS.” I proceeded to look at the largest differences between the two systems — loosely considering the aggregation of independent fan projections a “system” — and identify which system better projected that particular player.
For hitters, the Depth Charts won by a landslide, 7-2. Turns out that fans frequently projected better production from prospects than what said prospects actually produced. It’s the cognitive bias I expected to see; I anticipated that fan(tasy owner)s associate hype with swift, robust production. I call it the Mike Trout Syndrome, named after the generational talent who has conditioned fans to expect immediate and immense production from all top prospects.
So how did the fans fare versus the Depth Charts regarding pitchers? Funny you ask. Here are the five starting pitchers whose Depth Charts FIPs varied most dramatically from their FANS FIPs: