Andy Pettitte Career Balks Overview

During Andy Pettitte's 18-year Major League Baseball career, he had a lifetime total of 11 balks, an average of 1 balks per season. 1997 was his best season with 0 balks and his worst season was 2000 when he had 3 balks. Andy Pettitte underperformed similar player cohorts when comparing career totals, not beating USA (2.189798558492), Gen X (2.185667752443), Y (9.3055555555556), mlb (2.2225043643866), and SP (2.9719737626714) player career averages. See the charts and graphs below that visualize this information in more detail.

A balk is an illegal move done by the pitcher immediatly before windup or during the pitching act. Most of these illegal moves involve a pitcher pretending to pitch when he has no intention of doing so, this would be done to try and trick a baserunner into leaving the base and becoming an easy out. Balks are only called when there are runners on base, when a pitcher has been assesed a balk all baserunners are awarded the next base, this includes runners on third who would then score a run since he was awareded home plate. The active batter is not given any bases and their plate apperance continues with no change to the count. Generally, for Balks, lower is better. (Source)

Andy Pettitte Lifetime Balks

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Andy Pettitte
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Andy Pettitte Balks By Year Line Chart

This line chart shows Andy Pettitte's yearly Balks for each season of his Major League Baseball career. Also included, for comparison, are yearly player averages for MLB, Hall of Fame players, SP, and players from their country of birth. For these groups, averages are calculated for each group's performance for the defined year.
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Andy Pettitte Cumulative Balks by Year

This line chart attempts to show show how Andy Pettitte's career Balks progressed by year. Each year on the chart represents Andy Pettitte's career Balks at the end of that season.
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Andy Pettitte Balks By Year Box Chart

This chart attempts to draw comparisons between Andy Pettitte and related player groups by summarizing Balks for each season played by Andy Pettitte. The box represents the middle 50% of the data for each player with the line in the box being the median value. The whiskers represent the ranges for the top and bottom 25% of the data. Review the spread and medians to draw your conclusions!
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Andy Pettitte Balks Per Season Stats Table

This table shows Andy Pettitte Balks stats per season for his full MLB career with the aggregations’ sum, average, minimum, maximum, and median. Also included, for comparison, are season player averages for MLB, Hall of Fame players, SP, and players from their country of birth. The comparisons are calculated for each group for each year of Andy Pettitte career.

Note: "—" indicate there were no players for comparison for a specific year. Most commonly this happens for the hall of fame group where there may not have been a hall of famer playing that year.
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