BB9

Zack Kelly · Season-by-season history

BB9 over time

Zack Kelly — BB9 over time Each bar is a recorded season value, grouped by season and coloured by team and competition. Bars extend from zero. Exact values are listed in the table below. 0 1.54 3.08 4.62 6.16 7.7 2022 2023 2024 2025 2022 · Boston Red Sox · MLB: 2.6 2023 · Boston Red Sox · MLB: 7.7 2024 · Boston Red Sox · MLB: 4.3 2025 · Boston Red Sox · MLB: 3.1
  • Boston Red Sox · MLB

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

Zack Kelly — BB9 by season
SeasonTeamLeagueBB9
2025 Boston Red Sox MLB 3.1
2024 Boston Red Sox MLB 4.3
2023 Boston Red Sox MLB 7.7
2022 Boston Red Sox MLB 2.6