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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 Thursday, 2 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		 88 775.1 3175 2867 255 34 10 9 0 620 116 6 95 773 73.98% 8.22% 302 466 --- ---
Dodgers,
assuming average fielding		 88 775.1 3117 2815 250 33 10 9 0 609 114 6 93 759 71.27% 8.16% 319 466 -2 -4
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 3184 2862 263 30 14 14 1 693 104 8 130 668 71.27% 8.16% 391 456 -1 -3
Rays,
with actual fielding		 84 751.0 3122 2824 231 28 12 25 2 658 132 8 102 666 73.44% 7.65% 340 381 --- ---
Rays,
assuming average fielding		 84 751.0 3065 2772 227 27 12 25 2 646 130 8 100 654 71.27% 8.16% 350 381 -1 -2
Braves,
with actual fielding		 85 753.2 3136 2795 280 28 9 22 2 632 105 11 91 727 73.06% 8.28% 325 379 --- ---
Braves,
assuming average fielding		 85 753.2 3079 2744 275 27 9 22 2 620 103 11 89 714 71.27% 8.16% 336 379 -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 3129 2800 256 32 12 23 6 635 117 9 79 731 71.27% 8.16% 320 400 0 -1
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 71.27% 8.16% 387 349 0 -1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Tigers,
with actual fielding		 88 774.2 3258 2922 266 33 17 20 0 695 146 13 91 722 71.85% 7.80% 352 379 --- ---
Tigers,
assuming average fielding		 88 774.2 3198 2869 261 32 17 20 0 682 143 13 89 709 71.27% 8.16% 350 379 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 2902 379 54 12 17 0 699 112 13 117 754 71.27% 8.16% 420 392 0 0
Marlins,
with actual fielding		 88 772.0 3273 2896 300 50 6 18 3 664 130 14 87 736 72.48% 7.63% 355 392 --- ---
Marlins,
assuming average fielding		 88 772.0 3213 2843 295 49 6 18 3 652 128 14 85 723 71.27% 8.16% 357 392 0 0
Brewers,
with actual fielding		 85 762.2 3148 2806 284 29 12 17 0 617 123 9 83 843 72.03% 9.76% 303 407 --- ---
Brewers,
assuming average fielding		 85 762.2 3091 2755 279 28 12 17 0 606 121 9 81 828 71.27% 8.16% 301 407 0 0
White Sox,
with actual fielding		 86 761.0 3283 2851 334 50 15 29 4 684 134 15 93 716 71.67% 8.26% 386 397 --- ---
White Sox,
assuming average fielding		 86 761.0 3223 2799 328 49 15 28 4 672 132 15 91 703 71.27% 8.16% 382 397 +1 +1
Reds,
with actual fielding		 86 765.0 3395 2920 386 44 13 27 5 730 123 18 119 692 71.57% 7.09% 453 370 --- ---
Reds,
assuming average fielding		 86 765.0 3333 2867 379 43 13 27 5 717 121 18 117 679 71.27% 8.16% 445 370 +1 +1
Guardians,
with actual fielding		 88 778.0 3272 2920 286 29 11 26 0 695 134 9 101 798 71.14% 8.75% 364 348 --- ---
Guardians,
assuming average fielding		 88 778.0 3212 2867 281 28 11 26 0 682 132 9 99 783 71.27% 8.16% 356 348 +1 +1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Padres,
with actual fielding		 86 760.2 3250 2873 310 37 10 19 1 717 130 12 94 706 70.36% 9.70% 373 333 --- ---
Padres,
assuming average fielding		 86 760.2 3191 2821 304 36 10 19 1 704 128 12 92 693 71.27% 8.16% 364 333 0 +1
Rangers,
with actual fielding		 88 771.1 3260 2948 253 34 10 15 0 703 125 12 106 747 71.84% 6.34% 366 375 --- ---
Rangers,
assuming average fielding		 88 771.1 3200 2894 248 33 10 15 0 690 123 12 104 733 71.27% 8.16% 360 375 +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 3115 2793 251 34 13 23 1 678 129 6 89 710 71.27% 8.16% 340 340 +2 +2
Angels,
with actual fielding		 88 775.2 3406 2932 392 46 5 28 3 693 127 12 92 778 71.31% 6.74% 407 374 --- ---
Angels,
assuming average fielding		 88 775.2 3344 2878 385 45 5 27 3 680 125 12 90 764 71.27% 8.16% 394 374 +1 +2
Mariners,
with actual fielding		 88 780.0 3222 2917 222 40 14 27 2 700 141 7 80 768 70.62% 10.18% 327 368 --- ---
Mariners,
assuming average fielding		 88 780.0 3163 2864 218 39 14 27 2 687 138 7 79 754 71.27% 8.16% 316 368 +1 +2
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 2815 320 32 14 26 3 696 140 13 83 653 71.27% 8.16% 375 367 +1 +2
Cardinals,
with actual fielding		 84 750.2 3218 2858 283 39 10 24 4 726 138 5 90 629 70.73% 9.55% 376 375 --- ---
Cardinals,
assuming average fielding		 84 750.2 3159 2806 278 38 10 24 4 713 135 5 88 618 71.27% 8.16% 366 375 +1 +2
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
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 3231 2864 305 24 15 22 2 690 121 6 96 755 71.27% 8.16% 361 353 +2 +2
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 3395 2995 302 47 17 30 3 735 123 7 121 681 71.27% 8.16% 428 423 +2 +3
Royals,
with actual fielding		 88 776.2 3367 2975 336 29 10 17 0 780 164 17 113 671 69.93% 10.91% 431 369 --- ---
Royals,
assuming average fielding		 88 776.2 3306 2921 330 28 10 17 0 766 161 17 111 659 71.27% 8.16% 412 369 +2 +4
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 85 779 71.27% 8.16% 351 335 +2 +4
Pirates,
with actual fielding		 88 786.2 3394 2987 318 55 8 22 4 708 163 7 88 812 70.71% 6.93% 383 457 --- ---
Pirates,
assuming average fielding		 88 786.2 3332 2932 312 54 8 22 4 695 160 7 86 797 71.27% 8.16% 363 457 +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 3358 2958 324 36 8 30 1 780 148 14 126 720 71.27% 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 71.27% 8.16% 390 384 +2 +5
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
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 3352 2944 313 47 17 27 3 752 153 11 100 709 71.27% 8.16% 408 407 +3 +5
Rockies,
with actual fielding		 88 773.0 3461 3077 290 40 12 40 2 884 209 27 119 613 68.09% 7.46% 516 408 --- ---
Rockies,
assuming average fielding		 88 773.0 3398 3021 285 39 12 39 2 868 205 27 117 602 71.27% 8.16% 462 408 +4 +8
Phillies,
with actual fielding		 88 782.1 3356 3032 252 36 11 25 0 776 130 15 101 849 68.13% 6.66% 399 385 --- ---
Phillies,
assuming average fielding		 88 782.1 3295 2977 247 35 11 25 0 762 128 15 99 833 71.27% 8.16% 356 385 +4 +9

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This page was last modified on Friday, 3 July 2026, at 5:31 am Pacific Time.