| 1904 PCL Mid-Season Pitching Leaders | ||||||||||||||
| # | Team | ERA | # | Team | WHIP | # | Team | W | # | Team | SV | |||
| 1 | Sacramento Solons | 2.84 | 1 | Sacramento Solons | 1.13 | 1 | Denver Bears | 58 | 1 | Denver Bears | 34 | |||
| 2 | Vernon Tigers | 2.98 | 2 | Vernon Tigers | 1.17 | 2 | Vernon Tigers | 56 | 2 | L A Angels | 30 | |||
| 3 | Seattle Rainiers | 3.06 | 3 | San Diego Padres | 1.20 | 3 | Portland Beavers | 53 | 3 | Oakland Oaks | 30 | |||
| 4 | Arkansas Travelers | 3.09 | 4 | Portland Beavers | 1.21 | 4 | Tulsa Oilers | 51 | 4 | Eugene Emeralds | 30 | |||
| 5 | San Diego Padres | 3.29 | 5 | Seattle Rainiers | 1.23 | 5 | Arkansas Travelers | 50 | 5 | Fresno Grizzlies | 29 | |||
| 6 | Portland Beavers | 3.29 | 6 | Arkansas Travelers | 1.28 | 6 | San Diego Padres | 49 | 6 | Seattle Rainiers | 29 | |||
| 7 | Denver Bears | 3.31 | 7 | Spokane Indians | 1.28 | 7 | L A Angels | 49 | 7 | Portland Beavers | 28 | |||
| 8 | Spokane Indians | 3.40 | 8 | Denver Bears | 1.29 | 8 | Fresno Grizzlies | 47 | 8 | Vernon Tigers | 26 | |||
| 9 | Vancouver Mounties | 3.48 | 9 | L A Angels | 1.29 | 9 | Seattle Rainiers | 45 | 9 | Salt Lake City Bees | 26 | |||
| 10 | Tulsa Oilers | 3.56 | 10 | Phoenix Firebirds | 1.31 | 10 | Oakland Oaks | 42 | 10 | Arkansas Travelers | 24 | |||
| 11 | Hawaii Islanders | 3.67 | 11 | Tulsa Oilers | 1.33 | 11 | Sacramento Solons | 41 | 11 | Sacramento Solons | 24 | |||
| 12 | L A Angels | 3.73 | 12 | Hawaii Islanders | 1.33 | 12 | Eugene Emeralds | 40 | 12 | Hawaii Islanders | 23 | |||
| 13 | Phoenix Firebirds | 3.76 | 13 | Eugene Emeralds | 1.33 | 13 | Hawaii Islanders | 39 | 13 | Mission Bells | 22 | |||
| 14 | Eugene Emeralds | 3.84 | 14 | Vancouver Mounties | 1.36 | 14 | Salt Lake City Bees | 38 | 14 | Tulsa Oilers | 20 | |||
| 15 | Salt Lake City Bees | 4.14 | 15 | Oakland Oaks | 1.42 | 15 | Tucson Toros | 37 | 15 | Vancouver Mounties | 20 | |||
| 16 | Albuquerque Dukes | 4.29 | 16 | Salt Lake City Bees | 1.45 | 16 | Mission Bells | 35 | 16 | Phoenix Firebirds | 19 | |||
| 17 | Mission Bells | 4.29 | 17 | Albuquerque Dukes | 1.45 | 17 | Tacoma Wanderers | 35 | 17 | San Diego Padres | 18 | |||
| 18 | Oakland Oaks | 4.41 | 18 | Fresno Grizzlies | 1.46 | 18 | Phoenix Firebirds | 34 | 18 | Tucson Toros | 17 | |||
| 19 | Fresno Grizzlies | 4.48 | 19 | Mission Bells | 1.50 | 19 | Albuquerque Dukes | 30 | 19 | San Francisco Seals | 13 | |||
| 20 | Tucson Toros | 4.51 | 20 | Tucson Toros | 1.50 | 20 | San Francisco Seals | 27 | 20 | Tacoma Wanderers | 12 | |||
| 21 | Oklahoma City 89ers | 4.61 | 21 | Oklahoma City 89ers | 1.53 | 21 | Spokane Indians | 24 | 21 | Albuquerque Dukes | 10 | |||
| 22 | Tacoma Wanderers | 4.88 | 22 | Tacoma Wanderers | 1.57 | 22 | Oklahoma City 89ers | 24 | 22 | Oklahoma City 89ers | 10 | |||
| 23 | Hollywood Stars | 4.91 | 23 | San Francisco Seals | 1.64 | 23 | Vancouver Mounties | 23 | 23 | Spokane Indians | 5 | |||
| 24 | San Francisco Seals | 5.29 | 24 | Hollywood Stars | 1.65 | 24 | Hollywood Stars | 21 | 24 | Hollywood Stars | 4 | |||
| # | Team | BB | # | Team | SO | # | Team | CG | # | Team | ShO | |||
| 1 | Portland Beavers | 183 | 1 | Hawaii Islanders | 623 | 1 | Spokane Indians | 34 | 1 | Arkansas Travelers | 7 | |||
| 2 | L A Angels | 198 | 2 | Seattle Rainiers | 603 | 2 | Vernon Tigers | 28 | 2 | Albuquerque Dukes | 5 | |||
| 3 | Vernon Tigers | 216 | 3 | San Diego Padres | 557 | 3 | Tacoma Wanderers | 18 | 3 | Spokane Indians | 4 | |||
| 4 | Seattle Rainiers | 218 | 4 | Eugene Emeralds | 549 | 4 | Albuquerque Dukes | 18 | 4 | Tulsa Oilers | 4 | |||
| 5 | Hawaii Islanders | 225 | 5 | Vancouver Mounties | 543 | 5 | Arkansas Travelers | 17 | 5 | Tacoma Wanderers | 3 | |||
| 6 | Sacramento Solons | 227 | 6 | Arkansas Travelers | 539 | 6 | Oklahoma City 89ers | 17 | 6 | San Diego Padres | 3 | |||
| 7 | Eugene Emeralds | 242 | 7 | Sacramento Solons | 536 | 7 | San Diego Padres | 14 | 7 | Sacramento Solons | 3 | |||
| 8 | Arkansas Travelers | 247 | 8 | Portland Beavers | 530 | 8 | Tulsa Oilers | 14 | 8 | L A Angels | 3 | |||
| 9 | San Diego Padres | 249 | 9 | Oakland Oaks | 530 | 9 | Sacramento Solons | 12 | 9 | Oklahoma City 89ers | 2 | |||
| 10 | Phoenix Firebirds | 265 | 10 | L A Angels | 520 | 10 | Tucson Toros | 12 | 10 | Hollywood Stars | 2 | |||
| 11 | Spokane Indians | 267 | 11 | Denver Bears | 515 | 11 | Hollywood Stars | 12 | 11 | Portland Beavers | 2 | |||
| 12 | Oakland Oaks | 269 | 12 | Vernon Tigers | 495 | 12 | L A Angels | 11 | 12 | Vernon Tigers | 1 | |||
| 13 | Tulsa Oilers | 282 | 13 | Phoenix Firebirds | 495 | 13 | Phoenix Firebirds | 11 | 13 | Tucson Toros | 1 | |||
| 14 | Fresno Grizzlies | 284 | 14 | Tulsa Oilers | 493 | 14 | Eugene Emeralds | 7 | 14 | Denver Bears | 1 | |||
| 15 | Albuquerque Dukes | 291 | 15 | Tucson Toros | 491 | 15 | Portland Beavers | 7 | 15 | Phoenix Firebirds | 0 | |||
| 16 | Denver Bears | 293 | 16 | Mission Bells | 485 | 16 | Oakland Oaks | 6 | 16 | Eugene Emeralds | 0 | |||
| 17 | Oklahoma City 89ers | 294 | 17 | Salt Lake City Bees | 480 | 17 | Seattle Rainiers | 5 | 17 | Oakland Oaks | 0 | |||
| 18 | Vancouver Mounties | 297 | 18 | Spokane Indians | 469 | 18 | Denver Bears | 5 | 18 | Seattle Rainiers | 0 | |||
| 19 | Mission Bells | 307 | 19 | San Francisco Seals | 461 | 19 | Vancouver Mounties | 2 | 19 | Vancouver Mounties | 0 | |||
| 20 | Salt Lake City Bees | 311 | 20 | Tacoma Wanderers | 427 | 20 | Hawaii Islanders | 1 | 20 | Hawaii Islanders | 0 | |||
| 21 | Tucson Toros | 314 | 21 | Albuquerque Dukes | 421 | 21 | San Francisco Seals | 1 | 21 | San Francisco Seals | 0 | |||
| 22 | Tacoma Wanderers | 357 | 22 | Hollywood Stars | 403 | 22 | Fresno Grizzlies | 1 | 22 | Fresno Grizzlies | 0 | |||
| 23 | San Francisco Seals | 361 | 23 | Fresno Grizzlies | 390 | 23 | Mission Bells | 0 | 23 | Mission Bells | 0 | |||
| 24 | Hollywood Stars | 370 | 24 | Oklahoma City 89ers | 375 | 24 | Salt Lake City Bees | 0 | 24 | Salt Lake City Bees | 0 | |||