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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, 1 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		 87 766.1 3134 2831 250 34 10 9 0 610 112 6 92 764 74.02% 8.24% 294 455 --- ---
Dodgers,
assuming average fielding		 87 766.1 3076 2779 245 33 10 9 0 599 110 6 90 750 71.28% 8.16% 310 455 -2 -3
Cubs,
with actual fielding		 87 774.1 3243 2915 268 31 14 14 1 706 106 8 132 680 73.06% 9.63% 377 456 --- ---
Cubs,
assuming average fielding		 87 774.1 3183 2861 263 30 14 14 1 693 104 8 130 667 71.28% 8.16% 391 456 -1 -3
Braves,
with actual fielding		 84 744.2 3092 2755 277 27 9 22 2 617 104 11 88 723 73.22% 8.14% 316 375 --- ---
Braves,
assuming average fielding		 84 744.2 3035 2704 272 27 9 22 2 606 102 11 86 710 71.28% 8.16% 327 375 -2 -3
Rays,
with actual fielding		 83 742.0 3088 2791 230 28 12 25 2 653 131 8 100 656 73.31% 7.71% 337 376 --- ---
Rays,
assuming average fielding		 83 742.0 3031 2740 226 27 12 25 2 641 129 8 98 644 71.28% 8.16% 346 376 -1 -2
Yankees,
with actual fielding		 86 763.2 3187 2852 261 33 12 23 6 647 119 9 80 745 72.50% 7.53% 319 400 --- ---
Yankees,
assuming average fielding		 86 763.2 3128 2799 256 32 12 23 6 635 117 9 79 731 71.28% 8.16% 320 400 0 -1
Marlins,
with actual fielding		 87 764.0 3228 2861 295 47 6 16 3 650 127 14 85 732 72.65% 7.69% 345 387 --- ---
Marlins,
assuming average fielding		 87 764.0 3168 2808 290 46 6 16 3 638 125 14 83 719 71.28% 8.16% 348 387 0 -1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Diamondbacks,
with actual fielding		 86 756.2 3208 2883 252 34 10 26 3 723 147 19 106 580 72.37% 8.75% 382 349 --- ---
Diamondbacks,
assuming average fielding		 86 756.2 3149 2830 247 33 10 26 3 710 144 19 104 569 71.28% 8.16% 387 349 0 -1
Tigers,
with actual fielding		 87 766.2 3213 2882 262 33 17 19 0 678 144 13 88 719 72.05% 7.96% 341 373 --- ---
Tigers,
assuming average fielding		 87 766.2 3154 2829 257 32 17 19 0 665 141 13 86 706 71.28% 8.16% 340 373 0 0
Astros,
with actual fielding		 89 788.1 3426 2956 386 55 12 17 0 712 114 13 119 768 71.73% 8.93% 420 392 --- ---
Astros,
assuming average fielding		 89 788.1 3363 2901 379 54 12 17 0 699 112 13 117 754 71.28% 8.16% 420 392 0 0
Brewers,
with actual fielding		 84 753.2 3106 2768 281 29 11 17 0 606 123 9 80 830 72.11% 9.91% 296 405 --- ---
Brewers,
assuming average fielding		 84 753.2 3049 2717 276 28 11 17 0 595 121 9 79 815 71.28% 8.16% 295 405 0 0
White Sox,
with actual fielding		 85 752.2 3242 2819 325 50 15 29 4 675 132 15 91 712 71.65% 8.21% 379 391 --- ---
White Sox,
assuming average fielding		 85 752.2 3182 2767 319 49 15 28 4 663 130 15 89 699 71.28% 8.16% 375 391 0 +1
Reds,
with actual fielding		 85 756.0 3362 2890 384 43 13 27 5 726 122 18 118 685 71.42% 6.97% 452 362 --- ---
Reds,
assuming average fielding		 85 756.0 3300 2837 377 42 13 27 5 713 120 18 116 672 71.28% 8.16% 441 362 +1 +1
Padres,
with actual fielding		 85 752.2 3205 2835 304 37 10 18 1 700 124 12 93 702 70.65% 9.72% 363 326 --- ---
Padres,
assuming average fielding		 85 752.2 3146 2783 298 36 10 18 1 687 122 12 91 689 71.28% 8.16% 356 326 +1 +1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Rangers,
with actual fielding		 87 762.1 3219 2910 250 34 10 15 0 692 122 12 104 733 71.97% 6.43% 360 364 --- ---
Rangers,
assuming average fielding		 87 762.1 3160 2856 245 33 10 15 0 679 120 12 102 719 71.28% 8.16% 354 364 +1 +1
Red Sox,
with actual fielding		 85 750.1 3173 2845 256 35 13 23 1 691 131 6 91 723 70.97% 7.62% 350 340 --- ---
Red Sox,
assuming average fielding		 85 750.1 3114 2793 251 34 13 23 1 678 129 6 89 710 71.28% 8.16% 340 340 +2 +2
Guardians,
with actual fielding		 87 769.0 3233 2883 284 29 11 26 0 685 129 9 100 792 71.15% 8.68% 359 341 --- ---
Guardians,
assuming average fielding		 87 769.0 3173 2830 279 28 11 26 0 672 127 9 98 777 71.28% 8.16% 351 341 +1 +2
Mariners,
with actual fielding		 87 771.0 3190 2886 221 40 14 27 2 696 141 7 80 758 70.51% 10.14% 326 367 --- ---
Mariners,
assuming average fielding		 87 771.0 3131 2833 217 39 14 27 2 683 138 7 79 744 71.28% 8.16% 315 367 +2 +2
Cardinals,
with actual fielding		 83 741.2 3180 2825 280 38 10 23 4 718 137 5 90 623 70.72% 9.56% 373 365 --- ---
Cardinals,
assuming average fielding		 83 741.2 3121 2773 275 37 10 23 4 705 134 5 88 612 71.28% 8.16% 363 365 +1 +2
Blue Jays,
with actual fielding		 87 773.2 3291 2917 311 24 15 22 2 703 123 6 98 769 71.01% 8.40% 372 353 --- ---
Blue Jays,
assuming average fielding		 87 773.2 3230 2863 305 24 15 22 2 690 121 6 96 755 71.28% 8.16% 361 353 +2 +2
Royals,
with actual fielding		 87 767.2 3328 2939 333 29 10 17 0 769 163 16 112 668 69.95% 10.87% 425 366 --- ---
Royals,
assuming average fielding		 87 767.2 3267 2885 327 28 10 17 0 755 160 16 110 656 71.28% 8.16% 407 366 +1 +3
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Angels,
with actual fielding		 87 767.2 3374 2906 388 44 5 28 3 691 126 12 92 768 71.19% 6.79% 406 374 --- ---
Angels,
assuming average fielding		 87 767.2 3312 2852 381 43 5 27 3 678 124 12 90 754 71.28% 8.16% 391 374 +2 +3
Giants,
with actual fielding		 86 758.2 3269 2867 326 33 14 26 3 709 143 13 85 665 71.07% 9.32% 386 367 --- ---
Giants,
assuming average fielding		 86 758.2 3209 2814 320 32 14 26 3 696 140 13 83 653 71.28% 8.16% 373 367 +1 +3
Nationals,
with actual fielding		 88 789.2 3458 3051 308 48 17 31 3 782 131 7 123 694 71.12% 700% 448 423 --- ---
Nationals,
assuming average fielding		 88 789.2 3394 2995 302 47 17 30 3 735 123 7 121 681 71.28% 8.16% 428 423 +2 +3
Mets,
with actual fielding		 87 775.2 3318 2937 307 40 13 20 1 687 149 13 87 793 71.29% 7.12% 367 335 --- ---
Mets,
assuming average fielding		 87 775.2 3257 2883 301 39 13 20 1 674 146 13 85 778 71.28% 8.16% 350 335 +2 +4
Athletics,
with actual fielding		 87 778.0 3420 3013 330 37 8 31 1 795 151 14 128 733 69.56% 7.81% 462 405 --- ---
Athletics,
assuming average fielding		 87 778.0 3357 2957 324 36 8 30 1 780 148 14 126 719 71.28% 8.16% 434 405 +3 +5
Orioles,
with actual fielding		 88 780.2 3376 3005 308 24 7 31 1 765 165 13 99 705 70.25% 8.33% 416 384 --- ---
Orioles,
assuming average fielding		 88 780.2 3314 2950 302 24 7 30 1 751 162 13 97 692 71.28% 8.16% 390 384 +2 +5
Twins,
with actual fielding		 88 776.1 3414 2999 319 48 17 28 3 766 156 11 102 722 70.09% 6.30% 436 407 --- ---
Twins,
assuming average fielding		 88 776.1 3351 2944 313 47 17 27 3 752 153 11 100 709 71.28% 8.16% 407 407 +3 +5
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Pirates,
with actual fielding		 87 777.2 3361 2956 316 55 8 22 4 704 161 7 88 802 70.61% 6.97% 383 447 --- ---
Pirates,
assuming average fielding		 87 777.2 3299 2901 310 54 8 22 4 691 158 7 86 787 71.28% 8.16% 361 447 +2 +5
Rockies,
with actual fielding		 87 764.0 3422 3046 284 40 12 38 2 877 208 26 119 610 67.98% 7.45% 512 398 --- ---
Rockies,
assuming average fielding		 87 764.0 3359 2990 279 39 12 37 2 861 204 26 117 599 71.28% 8.16% 457 398 +4 +8
Phillies,
with actual fielding		 87 773.1 3311 2994 246 36 11 24 0 762 128 14 99 837 68.32% 6.60% 389 385 --- ---
Phillies,
assuming average fielding		 87 773.1 3250 2939 241 35 11 24 0 748 126 14 97 822 71.28% 8.16% 349 385 +4 +8

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This page was last modified on Thursday, 2 July 2026, at 5:31 am Pacific Time.