MLB Umpire Average Strike Zones from 2007 to 2025 With ABS…
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MLB Umpire Average Strike Zones from 2007 to 2025
With ABS right around the corner, I wanted to take a look back at nearly 20 years of pitch tracking and umpire evaluation to see just how much the strike zone has changed. The blue zone represents the rulebook zone that umpires were being evaluated on, while the pink shape is the average called zone. Year over year, umpires have gotten more accurate and more consistent with calling the rulebook strike zone.
The horizontal positions have been adjusted so that pitches on the left are inside to the batter and pitches on the right are outside to the batter.
|Year|Accuracy|
|:-|:-|
|2007|82.8%|
|2008|84.4%|
|2009|85.4%|
|2010|86.5%|
|2011|86.8%|
|2012|87.2%|
|2013|88.1%|
|2014|88.6%|
|2015|89.0%|
|2016|89.5%|
|2017|90.5%|
|2018|91.3%|
|2019|91.6%|
|2020|91.9%|
|2021|92.2%|
|2022|92.6%|
|2023|92.9%|
|2024|92.6%|
|2025|92.9%|
Full album of heatmaps here https://imgur.com/a/mlb-umpire-strike-zones-2007-2025-79PTNco
#sport
source
With ABS right around the corner, I wanted to take a look back at nearly 20 years of pitch tracking and umpire evaluation to see just how much the strike zone has changed. The blue zone represents the rulebook zone that umpires were being evaluated on, while the pink shape is the average called zone. Year over year, umpires have gotten more accurate and more consistent with calling the rulebook strike zone.
The horizontal positions have been adjusted so that pitches on the left are inside to the batter and pitches on the right are outside to the batter.
|Year|Accuracy|
|:-|:-|
|2007|82.8%|
|2008|84.4%|
|2009|85.4%|
|2010|86.5%|
|2011|86.8%|
|2012|87.2%|
|2013|88.1%|
|2014|88.6%|
|2015|89.0%|
|2016|89.5%|
|2017|90.5%|
|2018|91.3%|
|2019|91.6%|
|2020|91.9%|
|2021|92.2%|
|2022|92.6%|
|2023|92.9%|
|2024|92.6%|
|2025|92.9%|
Full album of heatmaps here https://imgur.com/a/mlb-umpire-strike-zones-2007-2025-79PTNco
#sport
source
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