BB9

Jesse Hahn · Season-by-season history

BB9 over time

Jesse Hahn — 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 2.32 4.64 6.96 9.28 11.6 2015 2016 2017 2019 2020 2021 2025 2015 · Athletics · MLB: 2.3 2016 · Athletics · MLB: 3.7 2017 · Athletics · MLB: 3.5 2019 · Kansas City Royals · MLB: 11.6 2020 · Kansas City Royals · MLB: 4.2 2021 · Kansas City Royals · MLB: 10.8 2025 · Seattle Mariners · MLB: 9.0
  • Athletics · MLB
  • Kansas City Royals · MLB
  • Seattle Mariners · MLB

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

Jesse Hahn — BB9 by season
SeasonTeamLeagueBB9
2025 Seattle Mariners MLB 9.0
2021 Kansas City Royals MLB 10.8
2020 Kansas City Royals MLB 4.2
2019 Kansas City Royals MLB 11.6
2017 Athletics MLB 3.5
2016 Athletics MLB 3.7
2015 Athletics MLB 2.3