SO9

Zack Kelly · Season-by-season history

SO9 over time

Zack Kelly — SO9 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 1.94 3.88 5.82 7.76 9.7 2022 2023 2024 2025 2022 · Boston Red Sox · MLB: 7.2 2023 · Boston Red Sox · MLB: 5.8 2024 · Boston Red Sox · MLB: 9.7 2025 · Boston Red Sox · MLB: 8.9
  • 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 — SO9 by season
SeasonTeamLeagueSO9
2025 Boston Red Sox MLB 8.9
2024 Boston Red Sox MLB 9.7
2023 Boston Red Sox MLB 5.8
2022 Boston Red Sox MLB 7.2