BB9

Aroldis Chapman · Season-by-season history

BB9 over time

Aroldis Chapman — BB9 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 1.38 2.76 4.14 5.52 6.9 2016 2017 2018 2019 2020 2021 2022 2023 2025 2016 · New York Yankees · MLB: 2.3 2017 · New York Yankees · MLB: 3.6 2018 · New York Yankees · MLB: 5.3 2019 · New York Yankees · MLB: 3.9 2020 · New York Yankees · MLB: 3.1 2021 · New York Yankees · MLB: 6.1 2022 · New York Yankees · MLB: 6.9 2023 · Kansas City Royals · MLB: 6.1 2025 · Boston Red Sox · MLB: 2.2
  • 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 — BB9 by season
SeasonTeamLeagueBB9
2025 Boston Red Sox MLB 2.2
2023 Kansas City Royals MLB 6.1
2022 New York Yankees MLB 6.9
2021 New York Yankees MLB 6.1
2020 New York Yankees MLB 3.1
2019 New York Yankees MLB 3.9
2018 New York Yankees MLB 5.3
2017 New York Yankees MLB 3.6
2016 New York Yankees MLB 2.3