MANCHESTER MAULERS
PITCHING LEADERS
09/08/2042
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TEAM PITCHING SINGLE SEASON LEADERS TEAM PITCHING CAREER LEADERS
162 IP required for season rate statistics. 500 IP required for career rate statistics.
ERA - SINGLE SEASON
Rank Player ERA Year  
1. Xavier González 1.97 2027  
2. Felipe Aguilera 2.25 2035  
3. Derek Valera 2.37 2034  
4. Xavier González 2.37 2026  
5. Takanobu Shirai 2.47 2035  
6. Kirby Gibson 2.49 2007  
7. Bill Knight 2.70 2034  
8. Xavier González 2.73 2024  
9. Bill Knight 2.81 2039  
10. Greg Bowen 2.83 2028  
ERA - CAREER
Rank Player ERA IP  
1. Augusto León 2.55 537.0  
2. Xavier González 2.73 864.1  
3. Kirby Gibson 3.22 544.2  
4. Greg Bowen 3.35 577.2  
5. Jesús González 3.39 801.0  
6. Bill Knight 3.46 1909.0  
7. Felipe Aguilera 3.49 814.2  
8. Yoshiaga Ohayashi 3.51 562.0  
9. Roberto Ortega 3.67 580.2  
10. Luis Peña 3.70 621.0  
WINS - SINGLE SEASON
Rank Player W Year  
1. Allen Guthrie 18 2021  
2. Felipe Aguilera 17 2035  
3. Luis Peña 16 2012  
4. Xavier González 16 2024  
5. Jesús González 16 2012  
6. Juan Cervantes 15 2022  
7. Sugimoto Hara 15 2009  
8. Ryan Dawson 15 2012  
9. Jesús González 15 2011  
10. Yoshiaga Ohayashi 15 2028  
WINS - CAREER
Rank Player W IP  
1. Bill Knight 108 1909.0  
2. Derek Valera 100 1920.0  
3. Yoritoki Ando 69 1146.0  
4. Allen Guthrie 65 1118.0  
5. Xavier González 57 864.1  
6. Jesús González 56 801.0  
7. Phil Warren 56 1086.2  
8. Raúl Sánchez 50 904.1  
9. Felipe Aguilera 47 814.2  
10. José Martínez 45 798.0  
LOSSES - SINGLE SEASON
Rank Player L Year  
1. Martín López 23 2030  
2. Takanobu Shirai 21 2034  
3. Clancy Farley 19 2030  
4. Rubén Hernández 19 2030  
5. Ramón Téllez 19 2031  
6. Héctor Velásquez 17 2039  
7. Vicente León 17 2008  
8. Masamichi Kono 17 2029  
9. Phil Warren 17 2037  
10. Robun Nakao 17 2030  
LOSSES - CAREER
Rank Player L IP  
1. Derek Valera 120 1920.0  
2. Bill Knight 105 1909.0  
3. Phil Warren 84 1086.2  
4. Yoritoki Ando 68 1146.0  
5. Raúl Sánchez 62 904.1  
6. Allen Guthrie 60 1118.0  
7. Héctor Velásquez 51 650.0  
8. José Martínez 49 798.0  
9. Gabriel Gutiérrez 47 710.2  
10. Brian Butler 46 823.2  
WINNING PCT - SINGLE SEASON
Rank Player WPct Year  
1. Xavier González .789 2027  
2. Xavier González .762 2024  
3. Felipe Aguilera .739 2035  
4. Allen Guthrie .720 2021  
5. Xavier González .714 2025  
6. Ryuichi Yamauchi .684 2009  
7. Jesús González .682 2011  
8. Luis Peña .667 2012  
9. Juan Cervantes .652 2022  
10. Ryan Dawson .652 2012  
WINNING PCT - CAREER
Rank Player WPct IP  
1. Yoshiaga Ohayashi .679 562.0  
2. Xavier González .655 864.1  
3. Jesús González .629 801.0  
4. Augusto León .577 537.0  
5. Kirby Gibson .565 544.2  
6. Greg Bowen .559 577.2  
7. Luis Peña .551 621.0  
8. Víctor Carrillo .548 634.2  
9. Allen Guthrie .520 1118.0  
10. Felipe Aguilera .511 814.2  
SAVES - SINGLE SEASON
Rank Player SV Year  
1. Earl Lucas 43 2041  
2. Kyeong-min Kim 41 2036  
3. Augusto León 38 2012  
4. Leith Geldart 38 2017  
5. Mauro Sánchez 38 2026  
6. Nelson Ortíz 37 2014  
7. Terry Burns 37 2020  
8. Augusto León 37 2008  
9. Augusto León 35 2011  
10. Kiyohira Saito 35 2022  
SAVES - CAREER
Rank Player SV IP  
1. Augusto León 185 537.0  
2. Leith Geldart 121 432.0  
3. Kyeong-min Kim 116 437.1  
4. Dong-hyun Pak 98 361.2  
5. Earl Lucas 74 129.0  
6. Mauro Sánchez 74 445.0  
7. Kiyohira Saito 73 212.2  
8. Nelson Ortíz 67 260.2  
9. Terry Burns 61 211.0  
10. Craig Taylor 57 143.1  
WAR - SINGLE SEASON
Rank Player WAR Year  
1. Xavier González 7.9 2026  
2. Xavier González 7.2 2027  
3. Kirby Gibson 6.5 2007  
4. Greg Bowen 6.3 2028  
5. Roberto Ortega 6.0 2016  
6. Xavier González 5.9 2025  
7. Yoritoki Ando 5.9 2010  
8. Xavier González 5.9 2024  
9. Kirby Gibson 5.4 2011  
10. Yoritoki Ando 4.8 2011  
WAR - CAREER
Rank Player WAR IP  
1. Bill Knight 31.2 1909.0  
2. Derek Valera 31.2 1920.0  
3. Xavier González 28.4 864.1  
4. Yoritoki Ando 22.1 1146.0  
5. José Martínez 13.8 798.0  
6. Kirby Gibson 12.5 544.2  
7. Jesús González 12.1 801.0  
8. Roberto Ortega 11.4 580.2  
9. Hirotada Kobayashi 10.5 712.1  
10. Greg Bowen 10.4 577.2  
GAMES PITCHED - SINGLE SEASON
Rank Player G Year  
1. Júlio Díaz 93 2018  
2. Leith Geldart 89 2015  
3. Leith Geldart 86 2014  
4. Víctor Domínguez 83 2016  
5. Mauro Sánchez 82 2017  
6. Domingo Hernández 81 2025  
7. Gabriel Gutiérrez 81 2023  
8. Augusto León 79 2014  
9. Hsui-chuan Bi 79 2030  
10. Enrique Vásquez 77 2018  
GAMES PITCHED - CAREER
Rank Player G IP  
1. Augusto León 486 537.0  
2. Leith Geldart 410 432.0  
3. Mauro Sánchez 389 445.0  
4. Júlio Díaz 386 620.0  
5. Kyeong-min Kim 346 437.1  
6. Hsui-chuan Bi 342 409.1  
7. Derek Valera 325 1920.0  
8. Bill Knight 309 1909.0  
9. Dong-hyun Pak 301 361.2  
10. Jeong Son 297 493.0  
GAMES STARTED - SINGLE SEASON
Rank Player GS Year  
1. Kirby Gibson 36 2007  
2. Felipe Aguilera 34 2033  
3. Bill Knight 34 2033  
4. Brian Butler 34 2026  
5. José Martínez 33 2041  
6. José Martínez 33 2040  
7. Bill Knight 33 2037  
8. Kirby Gibson 33 2011  
9. Gabriel Gutiérrez 33 2021  
10. Vicente Díaz 33 2041  
GAMES STARTED - CAREER
Rank Player GS IP  
1. Derek Valera 325 1920.0  
2. Bill Knight 309 1909.0  
3. Yoritoki Ando 189 1146.0  
4. Phil Warren 189 1086.2  
5. Allen Guthrie 173 1118.0  
6. Raúl Sánchez 155 904.1  
7. Xavier González 153 864.1  
8. Felipe Aguilera 142 814.2  
9. Brian Butler 142 823.2  
10. José Martínez 138 798.0  
COMPLETE GAMES - SINGLE SEASON
Rank Player CG Year  
1. Sugimoto Hara 4 2009  
2. Yukio Fujita 4 2009  
3. Takanobu Shirai 4 2034  
4. Bill Knight 4 2033  
5. Bill Knight 3 2034  
6. Hirotada Kobayashi 3 2027  
7. Jesús González 2 2011  
8. Bernardo Soto 2 2026  
9. Ryuichi Yamauchi 2 2009  
10. Yukio Fujita 2 2010  
COMPLETE GAMES - CAREER
Rank Player CG IP  
1. Bill Knight 12 1909.0  
2. Yukio Fujita 8 481.0  
3. Jesús González 6 801.0  
4. Sugimoto Hara 6 394.1  
5. Hirotada Kobayashi 6 712.1  
6. Luis Peña 5 621.0  
7. Raúl Sánchez 5 904.1  
8. Xavier González 4 864.1  
9. Takanobu Shirai 4 473.1  
10. Derek Valera 3 1920.0  
SHUTOUTS - SINGLE SEASON
Rank Player SHO Year  
1. Sugimoto Hara 2 2009  
2. Bernardo Soto 2 2026  
3. Tim Smith 1 2009  
4. Yukio Fujita 1 2009  
5. Derek Valera 1 2040  
6. Bill Knight 1 2033  
7. Bill Knight 1 2034  
8. Jesús González 1 2011  
9. Bill Knight 1 2037  
10. Takanobu Shirai 1 2034  
SHUTOUTS - CAREER
Rank Player SHO IP  
1. Bill Knight 6 1909.0  
2. Jesús González 2 801.0  
3. Xavier González 2 864.1  
4. Sugimoto Hara 2 394.1  
5. Bernardo Soto 2 208.1  
6. Raúl Sánchez 2 904.1  
7. Felipe Aguilera 1 814.2  
8. Juan Cervantes 1 417.1  
9. Yukio Fujita 1 481.0  
10. Hirotada Kobayashi 1 712.1  
INNINGS PITCHED - SINGLE SEASON
Rank Player IP Year  
1. Takanobu Shirai 226.1 2035  
2. Bill Knight 220.0 2034  
3. Kirby Gibson 217.0 2007  
4. Yukio Fujita 216.2 2009  
5. Luis Peña 216.1 2012  
6. Kirby Gibson 214.2 2011  
7. Hirotada Kobayashi 212.2 2027  
8. Barney Sharp 209.2 2014  
9. Greg Bowen 209.2 2028  
10. Bill Knight 209.0 2038  
INNINGS PITCHED - CAREER
Rank Player IP IP  
1. Derek Valera 1920.0 1920.0  
2. Bill Knight 1909.0 1909.0  
3. Yoritoki Ando 1146.0 1146.0  
4. Allen Guthrie 1118.0 1118.0  
5. Phil Warren 1086.2 1086.2  
6. Raúl Sánchez 904.1 904.1  
7. Xavier González 864.1 864.1  
8. Brian Butler 823.2 823.2  
9. Felipe Aguilera 814.2 814.2  
10. Jesús González 801.0 801.0  
HITS ALLOWED - SINGLE SEASON
Rank Player H Year  
1. Phil Warren 244 2039  
2. Clancy Farley 231 2030  
3. David Gutiérrez 225 2028  
4. Hirotada Kobayashi 224 2026  
5. Rubén Hernández 223 2030  
6. Yukio Fujita 220 2010  
7. Hirotada Kobayashi 220 2027  
8. Takanobu Shirai 219 2034  
9. Clancy Farley 218 2031  
10. Gabriel Gutiérrez 217 2022  
HITS ALLOWED - CAREER
Rank Player H IP  
1. Derek Valera 1790 1920.0  
2. Bill Knight 1710 1909.0  
3. Phil Warren 1243 1086.2  
4. Allen Guthrie 1172 1118.0  
5. Yoritoki Ando 1042 1146.0  
6. Raúl Sánchez 912 904.1  
7. Brian Butler 827 823.2  
8. Jesús González 793 801.0  
9. Hirotada Kobayashi 768 712.1  
10. Felipe Aguilera 743 814.2  
HOME RUNS ALLOWED - SINGLE SEASON
Rank Player HR Year  
1. Allen Guthrie 45 2020  
2. Allen Guthrie 42 2022  
3. Allen Guthrie 41 2018  
4. Ronnie Mason 40 2022  
5. Clancy Farley 35 2031  
6. Max Jordan 35 2019  
7. Ronnie Mason 34 2023  
8. Allen Guthrie 33 2021  
9. Gabriel Gutiérrez 32 2021  
10. Ernest Singleton 31 2022  
HOME RUNS ALLOWED - CAREER
Rank Player HR IP  
1. Derek Valera 233 1920.0  
2. Allen Guthrie 217 1118.0  
3. Phil Warren 169 1086.2  
4. Bill Knight 156 1909.0  
5. Yoritoki Ando 143 1146.0  
6. Brian Butler 139 823.2  
7. Ronnie Mason 139 676.1  
8. Raúl Sánchez 118 904.1  
9. José Martínez 114 798.0  
10. Gabriel Gutiérrez 109 710.2  
WALKS ALLOWED - SINGLE SEASON
Rank Player BB Year  
1. Jimmy Brandt 112 2016  
2. Masamichi Kono 105 2029  
3. Sugimoto Hara 101 2010  
4. Barney Sharp 98 2014  
5. Yukio Fujita 97 2010  
6. Martín López 95 2030  
7. Luis Peña 95 2012  
8. Jason Gould 93 2017  
9. Felipe Aguilera 93 2036  
10. Ryuichi Yamauchi 92 2009  
WALKS ALLOWED - CAREER
Rank Player BB IP  
1. Bill Knight 570 1909.0  
2. Derek Valera 482 1920.0  
3. Yoritoki Ando 387 1146.0  
4. Brian Butler 374 823.2  
5. Ryan Dawson 329 644.0  
6. Felipe Aguilera 304 814.2  
7. Júlio Díaz 302 620.0  
8. Héctor Velásquez 295 650.0  
9. Raúl Sánchez 283 904.1  
10. Allen Guthrie 274 1118.0  
WALKS PER 9 IP - SINGLE SEASON
Rank Player BB9 Year  
1. Roberto Ortega 0.8 2016  
2. Takanobu Shirai 1.0 2035  
3. Hirotada Kobayashi 1.1 2026  
4. Minoru Yoshioka 1.2 2034  
5. Hirotada Kobayashi 1.3 2027  
6. David Gutiérrez 1.4 2028  
7. Roberto Ortega 1.4 2017  
8. Hirotada Kobayashi 1.5 2024  
9. Allen Guthrie 1.5 2021  
10. Gabriel Gutiérrez 1.6 2022  
WALKS PER 9 IP - CAREER
Rank Player BB9 IP  
1. Hirotada Kobayashi 1.3 712.1  
2. Roberto Ortega 1.6 580.2  
3. Gabriel Gutiérrez 1.9 710.2  
4. Yoshiaga Ohayashi 1.9 562.0  
5. Phil Warren 2.2 1086.2  
6. Allen Guthrie 2.2 1118.0  
7. José Martínez 2.3 798.0  
8. Derek Valera 2.3 1920.0  
9. Xavier González 2.4 864.1  
10. Jesús González 2.7 801.0  
STRIKEOUTS - SINGLE SEASON
Rank Player K Year  
1. Greg Bowen 237 2028  
2. Yoritoki Ando 233 2010  
3. Yoritoki Ando 232 2011  
4. José Martínez 226 2040  
5. Xavier González 223 2026  
6. Brian Butler 221 2026  
7. Yoritoki Ando 217 2012  
8. Xavier González 213 2027  
9. Derek Valera 206 2036  
10. Kirby Gibson 205 2007  
STRIKEOUTS - CAREER
Rank Player K IP  
1. Derek Valera 1807 1920.0  
2. Bill Knight 1435 1909.0  
3. Yoritoki Ando 1211 1146.0  
4. Allen Guthrie 987 1118.0  
5. Brian Butler 924 823.2  
6. Xavier González 899 864.1  
7. José Martínez 874 798.0  
8. Phil Warren 673 1086.2  
9. Ronnie Mason 661 676.1  
10. Raúl Sánchez 619 904.1  
STRIKEOUTS PER 9 IP - SINGLE SEASON
Rank Player K9 Year  
1. Yoritoki Ando 11.0 2011  
2. Brian Butler 10.9 2026  
3. Xavier González 10.6 2026  
4. José Martínez 10.5 2040  
5. Xavier González 10.2 2025  
6. Greg Bowen 10.2 2028  
7. Yoritoki Ando 10.1 2010  
8. Xavier González 10.0 2027  
9. Yoritoki Ando 9.9 2012  
10. Anastasio López 9.8 2014  
STRIKEOUTS PER 9 IP - CAREER
Rank Player K9 IP  
1. Augusto León 10.1 537.0  
2. Brian Butler 10.1 823.2  
3. José Martínez 9.9 798.0  
4. Yoritoki Ando 9.5 1146.0  
5. Xavier González 9.4 864.1  
6. Ronnie Mason 8.8 676.1  
7. Greg Bowen 8.7 577.2  
8. Ryan Dawson 8.5 644.0  
9. Derek Valera 8.5 1920.0  
10. Víctor Carrillo 8.2 634.2  
K/BB - SINGLE SEASON
Rank Player K/BB Year  
1. Roberto Ortega 8.06 2016  
2. Hirotada Kobayashi 5.21 2026  
3. Xavier González 5.18 2025  
4. Allen Guthrie 5.06 2021  
5. José Martínez 4.78 2042  
6. Xavier González 4.73 2027  
7. Derek Valera 4.70 2040  
8. Hirotada Kobayashi 4.63 2027  
9. Minoru Yoshioka 4.54 2034  
10. José Martínez 4.53 2041  
K/BB - CAREER
Rank Player K/BB IP  
1. José Martínez 4.4 798.0  
2. Hirotada Kobayashi 4.3 712.1  
3. Gabriel Gutiérrez 4.0 710.2  
4. Xavier González 3.8 864.1  
5. Derek Valera 3.7 1920.0  
6. Allen Guthrie 3.6 1118.0  
7. Roberto Ortega 3.5 580.2  
8. Yoshiaga Ohayashi 3.4 562.0  
9. Yoritoki Ando 3.1 1146.0  
10. Víctor Carrillo 3.0 634.2  
WHIP - SINGLE SEASON
Rank Player WHIP Year  
1. Xavier González 0.99 2027  
2. Derek Valera 0.99 2034  
3. Takanobu Shirai 1.03 2035  
4. Derek Valera 1.04 2035  
5. Felipe Aguilera 1.07 2035  
6. Bill Knight 1.07 2034  
7. Derek Valera 1.07 2039  
8. Xavier González 1.08 2025  
9. Greg Bowen 1.08 2028  
10. Yoritoki Ando 1.08 2010  
WHIP - CAREER
Rank Player WHIP IP  
1. José Martínez 1.12 798.0  
2. Xavier González 1.12 864.1  
3. Derek Valera 1.18 1920.0  
4. Bill Knight 1.19 1909.0  
5. Roberto Ortega 1.20 580.2  
6. Augusto León 1.20 537.0  
7. Yoshiaga Ohayashi 1.20 562.0  
8. Gabriel Gutiérrez 1.20 710.2  
9. Hirotada Kobayashi 1.22 712.1  
10. Yoritoki Ando 1.25 1146.0  
OAVG - SINGLE SEASON
Rank Player OAVG Year  
1. Greg Bowen .194 2028  
2. Felipe Aguilera .205 2035  
3. Derek Valera .210 2034  
4. Xavier González .211 2027  
5. Bill Knight .212 2034  
6. Kirby Gibson .214 2007  
7. Bill Knight .216 2039  
8. Yoritoki Ando .218 2010  
9. José Martínez .221 2040  
10. Brian Butler .221 2026  
OAVG - CAREER
Rank Player OAVG IP  
1. Augusto León .205 537.0  
2. Greg Bowen .221 577.2  
3. Xavier González .230 864.1  
4. José Martínez .233 798.0  
5. Luis Peña .236 621.0  
6. Kirby Gibson .237 544.2  
7. Júlio Díaz .239 620.0  
8. Bill Knight .240 1909.0  
9. Yoritoki Ando .242 1146.0  
10. Felipe Aguilera .243 814.2  
OSLG - SINGLE SEASON
Rank Player OSLG Year  
1. Xavier González .276 2027  
2. Felipe Aguilera .277 2035  
3. Kirby Gibson .294 2007  
4. Xavier González .301 2026  
5. Bill Knight .305 2034  
6. Greg Bowen .306 2027  
7. Greg Bowen .310 2028  
8. Bill Knight .327 2039  
9. Barney Sharp .327 2014  
10. Xavier González .328 2025  
OSLG - CAREER
Rank Player OSLG IP  
1. Augusto León .298 537.0  
2. Xavier González .329 864.1  
3. Greg Bowen .332 577.2  
4. Kirby Gibson .348 544.2  
5. Felipe Aguilera .350 814.2  
6. Bill Knight .360 1909.0  
7. Luis Peña .379 621.0  
8. Júlio Díaz .380 620.0  
9. Jesús González .384 801.0  
10. Roberto Ortega .400 580.2  
OOPS - SINGLE SEASON
Rank Player OOPS Year  
1. Xavier González .538 2027  
2. Felipe Aguilera .554 2035  
3. Kirby Gibson .571 2007  
4. Bill Knight .580 2034  
5. Xavier González .582 2026  
6. Greg Bowen .591 2028  
7. Xavier González .602 2025  
8. Bill Knight .617 2035  
9. Takanobu Shirai .620 2035  
10. Bill Knight .620 2039  
OOPS - CAREER
Rank Player OOPS IP  
1. Augusto León .599 537.0  
2. Xavier González .612 864.1  
3. Greg Bowen .649 577.2  
4. Kirby Gibson .660 544.2  
5. Bill Knight .664 1909.0  
6. Felipe Aguilera .668 814.2  
7. José Martínez .693 798.0  
8. Jesús González .697 801.0  
9. Luis Peña .699 621.0  
10. Roberto Ortega .701 580.2  
RWAR - SINGLE SEASON
Rank Player rWAR Year  
1. Xavier González 7.8 2027  
2. Kirby Gibson 7.1 2007  
3. Xavier González 6.3 2026  
4. Greg Bowen 6.3 2028  
5. Kirby Gibson 6.0 2011  
6. Jesús González 5.8 2011  
7. Bill Knight 5.8 2039  
8. Luis Peña 5.5 2012  
9. Derek Valera 5.2 2034  
10. Roberto Ortega 5.1 2016  
RWAR - CAREER
Rank Player rWAR IP  
1. Bill Knight 29.9 1909.0  
2. Derek Valera 26.5 1920.0  
3. Xavier González 24.7 864.1  
4. Yoritoki Ando 18.9 1146.0  
5. Jesús González 18.2 801.0  
6. Kirby Gibson 12.7 544.2  
7. Luis Peña 12.6 621.0  
8. Augusto León 12.5 537.0  
9. José Martínez 12.0 798.0  
10. Greg Bowen 11.6 577.2  
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