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Fielding Effects


All raw data supplied courtesy of Baseball-Reference.com.
They do a wonderful job, and deserve your support.

Fielding Effects

Through games of Wednesday, 22 July 2026.
All results are from true, unadjusted data.

The Table shows two lines for each team. The first is their actual stats to date, from Games through Strikeouts; the stats FEbat and FErun—Fielding Efficiency on batters and Fielding Efficiency on runners—are explained on our page here about Team Defense. The OR stat on this line is the TPP-projected Runs the team would be expected to have yielded to date (for an explanation of the TPP, see our page here about basic Baseball Analysis). The R stat is the TOP-projected team Runs scored to date. The Δ stats are immaterial for this line.

The second Table line for each team is their calculated stats if their defense were MLB-average. The FEbat and FErun values on this line are their MLB-average values (averaged over the three recent years 2017 - 2019). The OR stat on this line is the TPP-projected Runs the team would be expected to have yielded to date based on the average-fielding stat values. And on this line, the Δ stats show the differences in Wins that having an MLB-average defense would gain or lose (the ΔW stat is for the year to date, while the ΔWyr is for a full 162-game season.

Thus, this table shows us what a given team’s defense is doing to help or hurt it. As you see, the average difference is less than 3 wins a season, and that figure is heavily weighted by a very few very bad defenses. (Without the three exceptionally worst, the average difference is just 2 wins a year, and the widest swings from assuming an MLB-average defense are 6 lost by good-fielding teams and gained by poor-fielding teams, with 2/3 of the teams within a couple of wins of average-fielding results.

(Those interested in the tiresome details of the calculations can follow that link to a full explanation.)

We cannot easily disentangle pitching from fielding, because fielding affects pitching results. But, painting with a very broad brush, we can say that at the extremes the fielding-attributable difference in runs allowed is in the range of being equivalent to perhaps a quarter to a third of a run on the team ERA, with the more normal variations amounting to about an eighth of a run. Pretty clearly, on a team level, fielding runs a poor second to pitching in significance for runs allowed, and thus a very poor third to offense. (Recall that offense and defense are each 50% of the game, and defense is part pitching and part fielding.) Since the extremes of team ERA cover about 2.75 runs (in 2020, 3.02 to 5.75) while the extremes of fielding, even including all the outliers, equate to maybe 0.60 on an ERA, their ratio is—and again, this is very, very broad-brush thinking—around 9:2, making fielding perhaps at most around 20% of defense and thus pitching about 80%, meaning that offense is 50% of the game, pitching is 40%, and fielding is at most around 10%, and so of much less importance than either offense or pitching. (Quite as we said almost 40 years ago.)

— Place your cursor over any column heading to see what it signifies. —

Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Dodgers,
with actual fielding		 103 910.1 3737 3364 307 38 13 15 0 728 144 6 114 919 73.97% 7.96% 361 514 --- ---
Dodgers,
assuming average fielding		 103 910.1 3661 3295 301 37 13 15 0 713 141 6 112 900 71.28% 8.11% 380 514 -3 -4
Rays,
with actual fielding		 101 898.0 3724 3373 268 36 14 31 2 786 156 9 128 805 73.52% 7.95% 408 460 --- ---
Rays,
assuming average fielding		 101 898.0 3648 3304 263 35 14 30 2 770 153 9 125 789 71.28% 8.11% 421 460 -1 -2
Cubs,
with actual fielding		 102 908.1 3817 3433 311 40 14 18 1 845 121 9 157 798 72.59% 9.68% 450 527 --- ---
Cubs,
assuming average fielding		 102 908.1 3739 3363 305 39 14 18 1 828 119 9 154 782 71.28% 8.11% 462 527 -1 -2
Braves,
with actual fielding		 101 895.2 3750 3342 338 34 10 23 3 771 124 13 117 853 72.81% 8.52% 404 473 --- ---
Braves,
assuming average fielding		 101 895.2 3673 3274 331 33 10 23 3 755 121 13 115 836 71.28% 8.11% 414 473 -1 -2
Marlins,
with actual fielding		 103 904.0 3828 3388 351 57 7 22 3 779 148 15 105 868 72.42% 8.22% 419 471 --- ---
Marlins,
assuming average fielding		 103 904.0 3750 3319 344 56 7 22 3 763 145 15 103 850 71.28% 8.11% 421 471 0 -1
Diamondbacks,
with actual fielding		 102 902.2 3821 3438 295 42 13 30 3 865 165 22 123 695 72.14% 9.07% 449 429 --- ---
Diamondbacks,
assuming average fielding		 102 902.2 3743 3368 289 41 13 29 3 847 162 22 120 681 71.28% 8.11% 453 429 -1 -1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
White Sox,
with actual fielding		 101 894.0 3831 3343 375 59 21 29 4 795 151 17 109 853 71.78% 8.37% 439 449 --- ---
White Sox,
assuming average fielding		 101 894.0 3753 3275 367 58 21 28 4 779 148 17 107 836 71.28% 8.11% 435 449 0 0
Astros,
with actual fielding		 104 921.1 4006 3455 453 62 14 22 0 829 133 15 142 915 71.77% 8.54% 496 460 --- ---
Astros,
assuming average fielding		 104 921.1 3924 3384 444 61 14 22 0 812 130 15 139 896 71.28% 8.11% 496 460 0 0
Brewers,
with actual fielding		 102 913.2 3768 3373 322 41 14 18 0 741 147 10 102 997 72.29% 9.20% 362 486 --- ---
Brewers,
assuming average fielding		 102 913.2 3691 3304 315 40 14 18 0 726 144 10 100 977 71.28% 8.11% 362 486 0 0
Yankees,
with actual fielding		 102 906.2 3779 3386 308 40 12 27 6 766 143 11 102 902 72.57% 7.59% 384 460 --- ---
Yankees,
assuming average fielding		 102 906.2 3702 3317 302 39 12 26 6 750 140 11 100 884 71.28% 8.11% 386 460 0 0
Red Sox,
with actual fielding		 101 895.1 3745 3376 291 39 14 24 1 804 154 7 102 857 71.41% 7.99% 393 422 --- ---
Red Sox,
assuming average fielding		 101 895.1 3668 3307 285 38 14 24 1 788 151 7 100 839 71.28% 8.11% 387 422 +1 +1
Reds,
with actual fielding		 101 898.0 3958 3422 437 48 13 32 6 848 145 20 136 815 71.70% 6.99% 516 439 --- ---
Reds,
assuming average fielding		 101 898.0 3877 3352 428 47 13 31 6 831 142 20 133 798 71.28% 8.11% 508 439 +1 +1
Tigers,
with actual fielding		 102 899.2 3778 3383 310 45 19 21 0 790 159 15 100 860 71.99% 7.70% 397 439 --- ---
Tigers,
assuming average fielding		 102 899.2 3701 3314 304 44 19 21 0 774 156 15 98 842 71.28% 8.11% 394 439 0 +1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Guardians,
with actual fielding		 103 912.2 3848 3432 339 32 13 32 0 817 158 12 117 936 71.12% 8.34% 430 419 --- ---
Guardians,
assuming average fielding		 103 912.2 3769 3362 332 31 13 31 0 800 155 12 115 917 71.28% 8.11% 418 419 +2 +2
Angels,
with actual fielding		 103 907.0 3950 3417 433 55 8 34 3 805 152 13 110 908 71.53% 7.03% 467 427 --- ---
Angels,
assuming average fielding		 103 907.0 3869 3347 424 54 8 33 3 789 149 13 108 889 71.28% 8.11% 454 427 +2 +2
Padres,
with actual fielding		 102 900.0 3842 3402 367 41 11 19 2 843 153 14 112 829 70.65% 9.44% 438 411 --- ---
Padres,
assuming average fielding		 102 900.0 3763 3332 359 40 11 19 2 826 150 14 110 812 71.28% 8.11% 429 411 +1 +2
Mariners,
with actual fielding		 103 912.1 3764 3415 256 44 17 30 2 811 159 9 100 880 71.35% 9.44% 383 423 --- ---
Mariners,
assuming average fielding		 103 912.1 3687 3345 251 43 17 29 2 794 156 9 98 862 71.28% 8.11% 376 423 +1 +2
Giants,
with actual fielding		 102 897.2 3866 3397 375 42 18 31 3 838 156 17 104 772 71.44% 9.07% 457 435 --- ---
Giants,
assuming average fielding		 102 897.2 3787 3327 367 41 18 30 3 821 153 17 102 756 71.28% 8.11% 445 435 +1 +2
Rangers,
with actual fielding		 102 895.1 3819 3447 298 41 11 20 2 844 152 15 127 863 71.18% 6.05% 445 439 --- ---
Rangers,
assuming average fielding		 102 895.1 3741 3376 292 40 11 20 2 827 149 15 124 845 71.28% 8.11% 431 439 +2 +2
Royals,
with actual fielding		 103 907.2 3946 3479 391 39 14 23 0 914 191 19 139 780 70.16% 10.27% 513 444 --- ---
Royals,
assuming average fielding		 103 907.2 3865 3408 383 38 14 23 0 895 187 19 136 764 71.28% 8.11% 494 444 +1 +3
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Cardinals,
with actual fielding		 101 900.1 3853 3421 338 51 10 29 4 858 171 8 100 764 70.80% 9.36% 441 430 --- ---
Cardinals,
assuming average fielding		 101 900.1 3774 3351 331 50 10 28 4 840 168 8 98 748 71.28% 8.11% 427 430 +2 +3
Blue Jays,
with actual fielding		 102 903.2 3852 3416 361 28 17 28 2 830 140 8 113 904 70.66% 8.35% 439 394 --- ---
Blue Jays,
assuming average fielding		 102 903.2 3773 3346 354 27 17 27 2 813 137 8 111 885 71.28% 8.11% 421 394 +2 +3
Orioles,
with actual fielding		 103 914.2 3923 3502 347 27 9 37 1 879 187 16 111 812 70.74% 8.68% 469 451 --- ---
Orioles,
assuming average fielding		 103 914.2 3843 3430 340 26 9 36 1 861 183 16 109 795 71.28% 8.11% 444 451 +2 +4
Twins,
with actual fielding		 103 906.1 3982 3505 372 50 20 32 3 897 183 13 125 848 70.12% 6.03% 512 476 --- ---
Twins,
assuming average fielding		 103 906.1 3901 3433 364 49 20 31 3 879 179 13 122 831 71.28% 8.11% 481 476 +3 +4
Mets,
with actual fielding		 103 916.2 3946 3490 369 48 17 21 1 828 183 17 114 938 71.16% 6.71% 455 417 --- ---
Mets,
assuming average fielding		 103 916.2 3865 3419 361 47 17 21 1 811 179 17 112 919 71.28% 8.11% 433 417 +3 +4
Pirates,
with actual fielding		 103 919.0 3951 3488 370 57 9 23 4 833 191 9 107 943 70.61% 7.44% 448 537 --- ---
Pirates,
assuming average fielding		 103 919.0 3870 3417 362 56 9 23 4 816 187 9 105 924 71.28% 8.11% 426 537 +2 +4
Nationals,
with actual fielding		 103 922.2 4048 3577 361 55 17 35 3 932 161 8 144 814 70.50% 7.51% 532 527 --- ---
Nationals,
assuming average fielding		 103 922.2 3965 3504 354 54 17 34 3 860 149 8 141 797 71.28% 8.11% 503 527 +3 +4
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Athletics,
with actual fielding		 102 906.1 4036 3536 404 49 8 38 1 949 186 16 163 870 69.16% 7.38% 577 465 --- ---
Athletics,
assuming average fielding		 102 906.1 3953 3464 396 48 8 37 1 930 182 16 160 852 71.28% 8.11% 536 465 +3 +5
Phillies,
with actual fielding		 103 913.1 3922 3537 301 44 12 28 0 902 149 18 125 1004 68.26% 6.78% 472 447 --- ---
Phillies,
assuming average fielding		 103 913.1 3842 3465 295 43 12 27 0 884 146 18 122 983 71.28% 8.11% 424 447 +5 +8
Rockies,
with actual fielding		 104 914.1 4090 3645 340 43 15 45 2 1048 241 31 148 735 68.11% 7.55% 614 484 --- ---
Rockies,
assuming average fielding		 104 914.1 4006 3570 333 42 15 44 2 1027 236 30 145 720 71.28% 8.11% 549 484 +5 +9

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This page was last modified on Thursday, 23 July 2026, at 5:32 am Pacific Time.