Advanced Metrics

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. 1 Denae Benites NY C 269
2. 2 Kelsie Whitmore SF P 251
3. 3 Ashton Lansdell LA 3B 206
4. 4 Lexi Hastings BOS LF 193
5. 5 Jamie Mackay LA C 163
6. 6 Jill Albayati SF P/Ut. 155
7. 7 Skylar Kaplan SF LF 152
8. 8 Kylee Lahners NY 3B 144
9. 9 Alexia Jorge SF C 140
10. 10 Madison Willan NY IF 140

Iso ISO

Isolated power — slugging percentage with singles removed. It measures extra-base ability alone.

Minimum 20 to qualify

1. 1 Kelsie Whitmore SF P .686
2. 2 Denae Benites NY C .603
3. 3 Lexi Hastings BOS LF .433
4. 4 Jamie Mackay LA C .386
5. 5 Ashton Lansdell LA 3B .364
6. 6 Kylee Lahners NY 3B .281
7. 7 Jill Albayati SF P/Ut. .281
8. 8 Ticara Geldenhuis BOS OF .250
9. 9 Caitlin Eynon LA SS .237
10. 10 Natsuki Yonetani NY LF .207

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. 1 Jaida Lee NY P 4.30
2. 2 Meggie Meidlinger LA P 5.10
3. 3 Claire Eccles NY CF 5.16
4. 4 Rakyung Kim NY SS 6.07
5. 5 Jill Albayati SF P/Ut. 6.66
6. 6 Liz Gilder SF P 6.77
7. 7 Emi Saiki NY SS 6.80
8. 8 Jacqui Reynolds NY P 6.83
9. 9 Ayami Sato LA P 6.90
10. 10 Michelle Roche LA P 6.92

Era Plus ERA+

Earned run average indexed to the league, where 100 is average and higher is better.

Minimum 30 to qualify

1. 1 Jill Albayati SF P/Ut. 428
2. 2 Meggie Meidlinger LA P 328
3. 3 Claire Eccles NY CF 285
4. 4 Claire O'Sullivan NY P 228
5. 5 Paloma Benach BOS P 200
6. 6 Kate Blunt BOS SS 171
7. 7 Liz Gilder SF P 145
8. 8 Jaida Lee NY P 135
9. 9 Emi Saiki NY SS 135
10. 10 Jacqui Reynolds NY P 128

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. 1 Jaida Lee NY P 20.2%
2. 2 Jill Albayati SF P/Ut. 14.9%
3. 3 Meggie Meidlinger LA P 14.8%
4. 4 Ayami Sato LA P 12.1%
5. 5 Emi Saiki NY SS 9.3%
6. 6 Claire Eccles NY CF 8.9%
7. 7 Jamie Mackay LA C 4.4%
8. 8 Rakyung Kim NY SS 3.6%
9. 9 Kelsie Whitmore SF P 1.7%
10. 10 Peyton Coria SF P 1.5%

Babip BABIP

Batting average on balls in play. Very high or low figures often correct themselves over a season.

Minimum 20 to qualify

1. 1 Ashton Lansdell LA 3B .567
2. 2 Elodie Ciamarro NY P .550
3. 3 Denae Benites NY C .500
4. 4 Samaria Benitez LA SS .488
5. 5 Skylar Kaplan SF LF .480
6. 6 Ayuri Shimano LA P .462
7. 7 Madison Willan NY IF .458
8. 8 Caitlin Eynon LA SS .452
9. 9 Lexi Hastings BOS LF .450
10. 10 Jill Albayati SF P/Ut. .444

Walk Rate BB%

Share of plate appearances that end in a walk — a direct read on plate discipline.

Minimum 20 to qualify

1. 1 Kylee Lahners NY 3B 23.5%
2. 2 Lexi Hastings BOS LF 22.5%
3. 3 Madison Willan NY IF 21.2%
4. 4 Ashton Lansdell LA 3B 20.0%
5. 5 Maïka Dumais BOS P 19.4%
6. 6 Sarah Edwards LA 1B 18.4%
7. 7 Ticara Geldenhuis BOS OF 18.2%
8. 8 Ayuri Shimano LA P 17.9%
9. 9 Andreanne Leblanc SF 1B 17.2%
10. 10 Maggie Foxx LA C 16.0%

Contact Rate K%

Share of plate appearances that end in a strikeout. Lower is better for a hitter.

Minimum 20 to qualify

1. 1 Skylar Kaplan SF LF 0.0%
2. 2 Val Perez NY SS 0.0%
3. 3 Andreanne Leblanc SF 1B 1.6%
4. 4 Madison Willan NY IF 3.0%
5. 5 Jua Park SF SS 4.0%
6. 6 London Studer NY 1B 4.6%
7. 7 Samantha Gutierrez SF C 4.8%
8. 8 Jamie Mackay LA C 5.9%
9. 9 Maggie Foxx LA C 6.0%
10. 10 Beth Greenwood BOS C 7.4%

K Per Bb K/BB

Strikeouts recorded for every walk issued.

Minimum 30 to qualify

1. 1 Ayami Sato LA P 5.67
2. 2 Jaida Lee NY P 3.83
3. 3 Emi Saiki NY SS 3.50
4. 4 Jill Albayati SF P/Ut. 3.33
5. 5 Meggie Meidlinger LA P 3.25
6. 6 Jamie Mackay LA C 1.50
7. 7 Claire Eccles NY CF 1.50
8. 8 Rakyung Kim NY SS 1.29
9. 9 Kelsie Whitmore SF P 1.15
10. 10 Peyton Coria SF P 1.11

Extra Base Hits XBH

Extra-base hits: doubles, triples and home runs combined.

1. 1 Denae Benites NY C 13
2. 2 Kelsie Whitmore SF P 13
3. 3 Natsuki Yonetani NY LF 8
4. 4 Ashton Lansdell LA 3B 8
5. 5 Jamie Mackay LA C 7
6. 6 Ticara Geldenhuis BOS OF 7
7. 7 Lexi Hastings BOS LF 7
8. 8 Caitlin Eynon LA SS 7
9. 9 Jill Albayati SF P/Ut. 7
10. 10 Amanda Gianelloni SF 2B 5