BB9

Mark Leiter Jr. · Season-by-season history

BB9 over time

Mark Leiter Jr. — 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 1.08 2.16 3.24 4.32 5.4 2018 2024 2025 2018 · Toronto Blue Jays · MLB: 5.4 2024 · New York Yankees · MLB: 3.7 2025 · New York Yankees · MLB: 3.2
  • Toronto Blue Jays · MLB
  • New York Yankees · MLB

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

Mark Leiter Jr. — BB9 by season
SeasonTeamLeagueBB9
2025 New York Yankees MLB 3.2
2024 New York Yankees MLB 3.7
2018 Toronto Blue Jays MLB 5.4