Cross: An update on FanGraphs pitch framing

From Jared Cross at FanGraphs on March 20, 2019:

In 2008, when Dan Turkenkopf was the first to quantify the value of pitch framing, he noted that it appeared to be alarmingly important. Bill Letson was similarly astounded when he calculated the size of the effect in 2010. Max Marchi and Mike Fast each took a turn in 2011, finding large and highly correlated catcher values despite using different methods. Other sabermetric luminaries have contributed sophisticated methods and sanity checks, some of which I’ll touch on below. And yet, this terrifically important, seemingly well-established, and impressively repeatable defensive skill has been left out when calculating FanGraphs player WAR and ignored when Steamer forecasts pitchers and catchers. . . until now.

Read the full article here: https://blogs.fangraphs.com/fangraphs-pitch-framing/



Originally published: March 21, 2019. Last Updated: March 21, 2019.