League team pitching totals - 1973 National League
Regular season
| Primary | 
| Team | ERA | W | L | S | G | CG | INN | H | R | ER | BB | K | HR | GDP | 
| Las Vegas Thunder |   2.58 | 108 | 54 | 49 | 162 | 33 | 1458.2 | 1228 | 485 | 418 | 431 | 807 | 110 | 117 | 
| Asheville Tourists |   3.05 | 86 | 76 | 43 | 162 | 27 | 1446.1 | 1271 | 574 | 490 | 542 | 1019 | 111 | 103 | 
| Lafayette  Chiefs |   3.05 | 98 | 65 | 34 | 163 | 41 | 1464.0 | 1316 | 604 | 496 | 461 | 849 | 115 | 149 | 
| Kenosha Eagles |   3.22 | 86 | 76 | 28 | 162 | 40 | 1444.1 | 1295 | 594 | 516 | 449 | 842 | 130 | 104 | 
| Cleveland Spiders |   3.41 | 97 | 66 | 32 | 163 | 49 | 1460.2 | 1420 | 619 | 553 | 381 | 805 | 135 | 150 | 
| Hollywood Stars |   3.56 | 88 | 74 | 38 | 162 | 34 | 1449.1 | 1378 | 664 | 574 | 453 | 965 | 135 | 108 | 
| Rockford Forest Citys |   3.62 | 93 | 69 | 33 | 162 | 44 | 1447.0 | 1351 | 642 | 582 | 357 | 856 | 178 | 126 | 
| Evanston Black Sox |   4.04 | 74 | 88 | 24 | 162 | 39 | 1433.1 | 1453 | 723 | 644 | 437 | 709 | 162 | 145 | 
| Fairfax Peppers |   4.18 | 76 | 86 | 34 | 162 | 23 | 1446.0 | 1558 | 797 | 671 | 518 | 799 | 145 | 200 | 
| Amboy Dukes |   4.22 | 63 | 99 | 21 | 162 | 33 | 1454.0 | 1561 | 761 | 682 | 573 | 794 | 138 | 157 | 
| Kansas City Bombers |   4.52 | 41 | 121 | 14 | 162 | 49 | 1425.2 | 1621 | 869 | 716 | 473 | 807 | 158 | 126 | 
| Totals |   3.58 | 910 | 874 | 350 | 1784 | 412 | 15929.1 | 15452 | 7332 | 6342 | 5075 | 9252 | 1517 | 1485 | 
| Secondary | 
| Team | IW | HBP | SH | SF | WP | BK | SB | CS | PK | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | 
| Las Vegas Thunder | 26 | 31 | 54 | 27 | 30 | 5 | 52 | 29 | 6 |   7.6 |   2.7 |  10.4 |   5.0 |   0.7 |  1.9 | 
| Asheville Tourists | 21 | 34 | 65 | 39 | 34 | 7 | 56 | 30 | 11 |   7.9 |   3.4 |  11.5 |   6.3 |   0.7 |  1.9 | 
| Lafayette  Chiefs | 23 | 31 | 45 | 47 | 43 | 3 | 62 | 36 | 18 |   8.1 |   2.8 |  11.1 |   5.2 |   0.7 |  1.8 | 
| Kenosha Eagles | 3 | 22 | 44 | 46 | 38 | 2 | 65 | 25 | 2 |   8.1 |   2.8 |  11.0 |   5.2 |   0.8 |  1.9 | 
| Cleveland Spiders | 14 | 34 | 46 | 45 | 33 | 0 | 80 | 26 | 6 |   8.7 |   2.3 |  11.3 |   5.0 |   0.8 |  2.1 | 
| Hollywood Stars | 7 | 33 | 60 | 34 | 47 | 8 | 39 | 38 | 0 |   8.6 |   2.8 |  11.6 |   6.0 |   0.8 |  2.1 | 
| Rockford Forest Citys | 16 | 33 | 47 | 37 | 38 | 1 | 46 | 30 | 10 |   8.4 |   2.2 |  10.8 |   5.3 |   1.1 |  2.4 | 
| Evanston Black Sox | 27 | 27 | 52 | 41 | 46 | 2 | 84 | 40 | 7 |   9.1 |   2.7 |  12.0 |   4.5 |   1.0 |  1.6 | 
| Fairfax Peppers | 25 | 27 | 69 | 50 | 53 | 3 | 49 | 26 | 6 |   9.7 |   3.2 |  13.1 |   5.0 |   0.9 |  1.5 | 
| Amboy Dukes | 60 | 38 | 63 | 47 | 42 | 4 | 57 | 32 | 5 |   9.7 |   3.5 |  13.4 |   4.9 |   0.9 |  1.4 | 
| Kansas City Bombers | 29 | 41 | 64 | 47 | 44 | 5 | 73 | 33 | 10 |  10.2 |   3.0 |  13.5 |   5.1 |   1.0 |  1.7 | 
| Totals | 251 | 351 | 609 | 460 | 448 | 40 | 663 | 345 | 81 |   8.7 |   2.9 |  11.8 |   5.2 |   0.9 |  1.8 | 
| Analytical | 
| Team | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA | 
| Las Vegas Thunder |  .607 |  1.14 | 4588 |  .244 | 2172 |  .364 | 2203 |  .369 | 497.8 |  3.0 |   2.76 |   2.73 | 
| Asheville Tourists |  .640 |  1.25 | 4418 |  .263 | 2365 |  .386 | 2399 |  .392 | 574.0 |  3.5 |   3.21 |   3.20 | 
| Lafayette  Chiefs |  .644 |  1.21 | 4649 |  .258 | 2367 |  .388 | 2398 |  .393 | 560.4 |  3.4 |   3.10 |   3.11 | 
| Kenosha Eagles |  .650 |  1.21 | 4604 |  .253 | 2401 |  .397 | 2423 |  .401 | 583.2 |  3.6 |   3.27 |   3.13 | 
| Cleveland Spiders |  .683 |  1.23 | 4732 |  .272 | 2496 |  .410 | 2530 |  .416 | 629.1 |  3.8 |   3.49 |   3.42 | 
| Hollywood Stars |  .673 |  1.26 | 4567 |  .272 | 2500 |  .406 | 2533 |  .412 | 625.6 |  3.8 |   3.50 |   3.46 | 
| Rockford Forest Citys |  .686 |  1.18 | 4552 |  .258 | 2514 |  .421 | 2547 |  .426 | 615.8 |  3.8 |   3.45 |   3.34 | 
| Evanston Black Sox |  .719 |  1.32 | 4742 |  .272 | 2648 |  .436 | 2675 |  .440 | 688.8 |  4.3 |   3.89 |   3.92 | 
| Fairfax Peppers |  .745 |  1.44 | 4830 |  .293 | 2828 |  .448 | 2855 |  .452 | 752.3 |  4.6 |   4.21 |   4.38 | 
| Amboy Dukes |  .748 |  1.47 | 4840 |  .294 | 2864 |  .449 | 2902 |  .455 | 783.4 |  4.8 |   4.36 |   4.47 | 
| Kansas City Bombers |  .762 |  1.47 | 4862 |  .301 | 2883 |  .455 | 2924 |  .461 | 820.1 |  5.1 |   4.66 |   4.69 | 
| Totals |  .688 |  1.29 | 51384 |  .271 | 28038 |  .415 | 28389 |  .420 | 7105.8 |  4.0 |   3.61 |   3.61 | 
| Starters | 
| Team | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% | 
| Las Vegas Thunder | 162 | 33 |  .204 | 16 | 122 |  .753 | 748 |   4.6 | 112 | 27 |  .241 | 133.0 |  .629 | 
| Asheville Tourists | 162 | 27 |  .167 | 15 | 112 |  .691 | 615 |   3.8 | 133 | 39 |  .293 | 137.6 |  .620 | 
| Lafayette  Chiefs | 163 | 41 |  .252 | 8 | 109 |  .669 | 738 |   4.5 | 151 | 51 |  .338 | 133.1 |  .627 | 
| Kenosha Eagles | 162 | 40 |  .247 | 12 | 115 |  .710 | 692 |   4.3 | 120 | 38 |  .317 | 133.1 |  .629 | 
| Cleveland Spiders | 163 | 49 |  .301 | 13 | 100 |  .613 | 863 |   5.3 | 109 | 31 |  .284 | 131.3 |  .643 | 
| Hollywood Stars | 162 | 34 |  .210 | 14 | 97 |  .599 | 705 |   4.4 | 106 | 48 |  .453 | 136.9 |  .632 | 
| Rockford Forest Citys | 162 | 44 |  .272 | 9 | 101 |  .623 | 765 |   4.7 | 123 | 40 |  .325 | 129.7 |  .643 | 
| Evanston Black Sox | 162 | 39 |  .241 | 10 | 93 |  .574 | 698 |   4.3 | 91 | 31 |  .341 | 132.3 |  .626 | 
| Fairfax Peppers | 162 | 23 |  .142 | 5 | 93 |  .574 | 784 |   4.8 | 177 | 78 |  .441 | 141.1 |  .621 | 
| Amboy Dukes | 162 | 33 |  .204 | 5 | 93 |  .574 | 587 |   3.6 | 167 | 65 |  .389 | 140.5 |  .611 | 
| Kansas City Bombers | 162 | 49 |  .302 | 6 | 88 |  .543 | 473 |   2.9 | 92 | 43 |  .467 | 138.6 |  .627 | 
| Totals | 1784 | 412 |  .231 | 113 | 1123 |  .629 | 7668 |   4.3 | 1381 | 491 |  .356 | 135.2 |  .628 | 
| Relievers | 
| Team | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | R/G | GF | R/GF | 
| Las Vegas Thunder | 68 | 49 |  .721 | 10 |  .147 | 25 | 112 | 27 |  .241 | 162 | 259 |  1.6 | 129 |  2.0 | 
| Asheville Tourists | 56 | 43 |  .768 | 10 |  .179 | 11 | 133 | 39 |  .293 | 162 | 217 |  1.3 | 135 |  1.6 | 
| Lafayette  Chiefs | 47 | 34 |  .723 | 11 |  .234 | 13 | 151 | 51 |  .338 | 163 | 220 |  1.3 | 122 |  1.8 | 
| Kenosha Eagles | 43 | 28 |  .651 | 9 |  .209 | 28 | 120 | 38 |  .317 | 162 | 241 |  1.5 | 122 |  2.0 | 
| Cleveland Spiders | 39 | 32 |  .821 | 6 |  .154 | 21 | 109 | 31 |  .284 | 163 | 226 |  1.4 | 114 |  2.0 | 
| Hollywood Stars | 50 | 38 |  .760 | 11 |  .220 | 3 | 106 | 48 |  .453 | 162 | 201 |  1.2 | 128 |  1.6 | 
| Rockford Forest Citys | 45 | 33 |  .733 | 9 |  .200 | 13 | 123 | 40 |  .325 | 162 | 205 |  1.3 | 118 |  1.7 | 
| Evanston Black Sox | 41 | 24 |  .585 | 16 |  .390 | 6 | 91 | 31 |  .341 | 162 | 185 |  1.1 | 123 |  1.5 | 
| Fairfax Peppers | 52 | 34 |  .654 | 18 |  .346 | 21 | 177 | 78 |  .441 | 162 | 277 |  1.7 | 139 |  2.0 | 
| Amboy Dukes | 37 | 21 |  .568 | 11 |  .297 | 17 | 167 | 65 |  .389 | 162 | 240 |  1.5 | 129 |  1.9 | 
| Kansas City Bombers | 27 | 14 |  .519 | 12 |  .444 | 3 | 92 | 43 |  .467 | 162 | 198 |  1.2 | 113 |  1.8 | 
| Totals | 505 | 350 |  .693 | 123 |  .244 | 161 | 1381 | 491 |  .356 | 1784 | 2469 |  1.4 | 1372 |  1.8 |