Advanced Metrics
Sabermetric leaders you will not find on the official league site — OPS+, ISO, BABIP, FIP, ERA+, K-BB% and plate discipline rates.
Ops Plus OPS+
On-base plus slugging, adjusted so 100 is exactly league average. 130 means 30% better than the average hitter this season.
Minimum 20 to qualify
- 1 Denae Benites 386
- 2 Kelsie Whitmore 291
- 3 Jill Albayati 173
- 4 Natsuki Yonetani 143
- 5 Skylar Kaplan 141
- 6 Ashton Lansdell 137
- 7 Maggie Foxx 124
- 8 Andreanne Leblanc 112
- 9 Jua Park 107
- 10 Amanda Gianelloni 100
Iso ISO
Isolated power — slugging percentage with singles removed. It measures extra-base ability alone.
Minimum 20 to qualify
- 1 Denae Benites .833
- 2 Kelsie Whitmore .808
- 3 Jill Albayati .308
- 4 Skylar Kaplan .292
- 5 Sarah Edwards .200
- 6 Tháima Maximiliana .143
- 7 Natsuki Yonetani .138
- 8 Amanda Gianelloni .125
- 9 Maggie Foxx .120
- 10 Andreanne Leblanc .107
Fip FIP
Fielding independent pitching. Judges a pitcher only on home runs, walks and strikeouts, then scales the result onto the ERA axis using this league’s own totals.
Minimum 30 to qualify
- 1 Rakyung Kim 5.64
- 2 Liz Gilder 5.66
- 3 Ayami Sato 5.87
- 4 Claire O'Sullivan 6.43
- 5 Jill Albayati 6.68
- 6 Michelle Roche 6.99
- 7 Kelsie Whitmore 7.43
- 8 Gigi Schiano 7.44
Era Plus ERA+
Earned run average indexed to the league, where 100 is average and higher is better.
Minimum 30 to qualify
- 1 Jill Albayati 425
- 2 Claire O'Sullivan 293
- 3 Gigi Schiano 212
- 4 Michelle Roche 179
- 5 Rakyung Kim 113
- 6 Ayami Sato 110
- 7 Liz Gilder 110
- 8 Kelsie Whitmore 102
K Minus Bb K-BB%
Strikeout rate minus walk rate — one of the most reliable single measures of a pitcher.
Minimum 30 to qualify
- 1 Jill Albayati 14.9%
- 2 Ayami Sato 14.3%
- 3 Claire O'Sullivan 4.1%
- 4 Rakyung Kim 1.8%
- 5 Liz Gilder 0.0%
- 6 Gigi Schiano -1.5%
- 7 Michelle Roche -3.5%
- 8 Kelsie Whitmore -4.9%
Babip BABIP
Batting average on balls in play. Very high or low figures often correct themselves over a season.
Minimum 20 to qualify
- 1 Denae Benites .667
- 2 Ashton Lansdell .529
- 3 Natsuki Yonetani .500
- 4 Maggie Foxx .458
- 5 Jill Albayati .455
- 6 Jua Park .450
- 7 Samaria Benitez .421
- 8 Joely Leguizamon .417
- 9 Molly Paddison .412
- 10 Andreanne Leblanc .407
Walk Rate BB%
Share of plate appearances that end in a walk — a direct read on plate discipline.
Minimum 20 to qualify
- 1 Ashton Lansdell 25.0%
- 2 Ticara Geldenhuis 24.0%
- 3 Jua Park 20.7%
- 4 Kylee Lahners 18.5%
- 5 Jill Albayati 18.2%
- 6 Kate Blunt 16.7%
- 7 Amanda Gianelloni 15.6%
- 8 Edith De Leija 14.8%
- 9 Natsuki Yonetani 14.3%
- 10 Skylar Kaplan 14.3%
Contact Rate K%
Share of plate appearances that end in a strikeout. Lower is better for a hitter.
Minimum 20 to qualify
- 1 Skylar Kaplan 0.0%
- 2 Amira Hondras 0.0%
- 3 Val Perez 0.0%
- 4 Andreanne Leblanc 3.0%
- 5 Maggie Foxx 3.7%
- 6 Edith De Leija 3.7%
- 7 Jamie Mackay 4.6%
- 8 Denae Benites 5.9%
- 9 Kelsie Whitmore 6.5%
- 10 Kate Blunt 8.3%
K Per Bb K/BB
Strikeouts recorded for every walk issued.
Minimum 30 to qualify
- 1 Ayami Sato 10.00
- 2 Jill Albayati 3.33
- 3 Claire O'Sullivan 1.50
- 4 Rakyung Kim 1.14
- 5 Liz Gilder 1.00
- 6 Gigi Schiano 0.83
- 7 Michelle Roche 0.67
- 8 Kelsie Whitmore 0.63
Extra Base Hits XBH
Extra-base hits: doubles, triples and home runs combined.
- 1 Denae Benites 9
- 2 Kelsie Whitmore 7
- 3 Jill Albayati 6
- 4 Jamie Mackay 6
- 5 Ticara Geldenhuis 5
- 6 Skylar Kaplan 5
- 7 Natsuki Yonetani 4
- 8 Andreanne Leblanc 3
- 9 Kylee Lahners 3
- 10 Maggie Foxx 3
What these numbers mean
- OPS+
- On-base plus slugging, adjusted so 100 is exactly league average. 130 means 30% better than the average hitter this season.
- ISO
- Isolated power — slugging percentage with singles removed. It measures extra-base ability alone.
- BABIP
- Batting average on balls in play. Very high or low figures often correct themselves over a season.
- BB%
- Share of plate appearances that end in a walk — a direct read on plate discipline.
- K%
- Share of plate appearances that end in a strikeout. Lower is better for a hitter.
- XBH
- Extra-base hits: doubles, triples and home runs combined.
- FIP
- Fielding independent pitching. Judges a pitcher only on home runs, walks and strikeouts, then scales the result onto the ERA axis using this league’s own totals.
- ERA+
- Earned run average indexed to the league, where 100 is average and higher is better.
- K-BB%
- Strikeout rate minus walk rate — one of the most reliable single measures of a pitcher.
- K/BB
- Strikeouts recorded for every walk issued.
- H/9
- Hits allowed per nine innings pitched.
