SO9

Kenley Jansen · Season-by-season history

SO9 over time

Kenley Jansen — 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 2.1 4.2 6.3 8.4 10.5 2023 2024 2025 2023 · Boston Red Sox · MLB: 10.5 2024 · Boston Red Sox · MLB: 10.2 2025 · Los Angeles Angels · MLB: 8.7
  • Boston Red Sox · MLB
  • Los Angeles Angels · MLB

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

Kenley Jansen — SO9 by season
SeasonTeamLeagueSO9
2025 Los Angeles Angels MLB 8.7
2024 Boston Red Sox MLB 10.2
2023 Boston Red Sox MLB 10.5