<![CDATA[SIERA is underused — and here's a case where it changes the analysis completely]]>SIERA accounts for batted ball type in a way xFIP doesn't. One pitcher this month has an xFIP of 3.8 but SIERA of 3.1. The difference: he has a 52% groundball rate and his groundball-to-flyball ratio on hard contact is exceptional. xFIP treats all fly balls equally. SIERA doesn't. SIERA is right here.

]]>https://spveforpit.com/topic/583/siera-is-underused-and-heres-a-case-where-it-changes-the-analysis-completelyRSS for NodeSun, 26 Apr 2026 13:18:36 GMTThu, 23 Apr 2026 22:51:40 GMT60<![CDATA[Reply to SIERA is underused — and here's a case where it changes the analysis completely on Thu, 23 Apr 2026 22:51:40 GMT]]>SIERA accounts for batted ball type in a way xFIP doesn't. One pitcher this month has an xFIP of 3.8 but SIERA of 3.1. The difference: he has a 52% groundball rate and his groundball-to-flyball ratio on hard contact is exceptional. xFIP treats all fly balls equally. SIERA doesn't. SIERA is right here.

]]>https://spveforpit.com/post/1462https://spveforpit.com/post/1462Thu, 23 Apr 2026 22:51:40 GMT