SO9

Aroldis Chapman · Season-by-season history

SO9 over time

Aroldis Chapman — SO9 over time Each point is a recorded season value. Separate lines show each team and competition. Exact values are listed in the table below. 0 3.4 6.8 10.2 13.6 17 2016 2017 2018 2019 2020 2021 2022 2023 2025 2016 · New York Yankees · MLB: 12.6 2017 · New York Yankees · MLB: 12.3 2018 · New York Yankees · MLB: 16.3 2019 · New York Yankees · MLB: 13.4 2020 · New York Yankees · MLB: 17.0 2021 · New York Yankees · MLB: 15.5 2022 · New York Yankees · MLB: 10.7 2023 · Kansas City Royals · MLB: 16.3 2025 · Boston Red Sox · MLB: 12.5
  • New York Yankees · MLB
  • Kansas City Royals · MLB
  • Boston Red Sox · MLB

Hover over a point for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.

Aroldis Chapman — SO9 by season
SeasonTeamLeagueSO9
2025 Boston Red Sox MLB 12.5
2023 Kansas City Royals MLB 16.3
2022 New York Yankees MLB 10.7
2021 New York Yankees MLB 15.5
2020 New York Yankees MLB 17.0
2019 New York Yankees MLB 13.4
2018 New York Yankees MLB 16.3
2017 New York Yankees MLB 12.3
2016 New York Yankees MLB 12.6