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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 Tuesday, 16 July 2024.
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 Fielding. 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
Mariners,
with actual fielding
98 866.0 3492 3196 234 31 9 21 1 698 127 14 101 819 74.11% 8.22% 330 371 --- ---
Mariners,
assuming average fielding
98 866.0 3440 3148 230 31 9 21 1 688 125 14 99 807 70.41% 9.18% 355 371 -3 -6
Dodgers,
with actual fielding
97 867.1 3598 3224 295 34 14 26 5 736 142 12 113 817 73.31% 7.67% 384 490 --- ---
Dodgers,
assuming average fielding
97 867.1 3544 3176 291 33 14 26 5 725 140 12 111 805 70.41% 9.18% 403 490 -2 -4
Rangers,
with actual fielding
96 843.2 3562 3169 332 37 4 18 2 730 128 11 109 804 72.74% 7.15% 390 394 --- ---
Rangers,
assuming average fielding
96 843.2 3509 3121 327 36 4 18 2 719 126 11 107 792 70.41% 9.18% 403 394 -1 -3
Yankees,
with actual fielding
98 872.1 3665 3253 320 62 4 24 2 734 160 15 107 854 72.97% 6.95% 397 469 --- ---
Yankees,
assuming average fielding
98 872.1 3610 3204 315 61 4 24 2 723 158 15 105 841 70.41% 9.18% 414 469 -1 -3
Angels,
with actual fielding
96 851.1 3637 3196 354 51 6 29 1 769 155 13 114 743 72.41% 8.6% 431 373 --- ---
Angels,
assuming average fielding
96 851.1 3582 3148 349 50 6 29 1 757 153 13 112 732 70.41% 9.18% 444 373 -2 -2
Orioles,
with actual fielding
96 862.1 3605 3253 286 38 7 20 1 747 160 17 99 827 72.47% 5.24% 380 475 --- ---
Orioles,
assuming average fielding
96 862.1 3551 3204 282 37 7 20 1 736 158 17 98 815 70.41% 9.18% 391 475 -1 -2
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Mets,
with actual fielding
95 853.1 3651 3195 362 58 7 24 5 754 151 9 104 829 71.65% 7.74% 423 451 --- ---
Mets,
assuming average fielding
95 853.1 3596 3147 357 57 7 24 5 743 149 9 102 817 70.41% 9.18% 425 451 0 -1
Brewers,
with actual fielding
97 858.1 3619 3235 296 44 16 24 4 778 113 12 116 768 72.31% 8.36% 406 459 --- ---
Brewers,
assuming average fielding
97 858.1 3565 3186 292 43 16 24 4 766 111 12 114 756 70.41% 9.18% 414 459 -1 -1
Astros,
with actual fielding
96 852.1 3622 3193 349 45 4 27 4 759 131 10 111 832 71.59% 8.03% 415 448 --- ---
Astros,
assuming average fielding
96 852.1 3568 3145 344 44 4 27 4 748 129 10 109 820 70.41% 9.18% 421 448 0 -1
Guardians,
with actual fielding
95 841.0 3496 3133 296 36 9 20 2 732 173 17 109 842 71.82% 9.72% 384 405 --- ---
Guardians,
assuming average fielding
95 841.0 3444 3086 292 35 9 20 2 721 170 17 107 829 70.41% 9.18% 390 405 -1 -1
Braves,
with actual fielding
95 842.0 3473 3134 269 42 10 17 1 731 131 11 81 840 70.98% 9.7% 342 405 --- ---
Braves,
assuming average fielding
95 842.0 3421 3087 265 41 10 17 1 720 129 11 80 827 70.41% 9.18% 341 405 0 0
Reds,
with actual fielding
97 856.2 3635 3251 304 54 6 19 1 771 170 10 104 817 71.68% 7.37% 407 401 --- ---
Reds,
assuming average fielding
97 856.2 3580 3202 299 53 6 19 1 759 167 10 102 805 70.41% 9.18% 407 401 0 0
Twins,
with actual fielding
96 849.1 3547 3221 244 42 7 31 2 758 144 19 112 873 71.59% 5.52% 393 453 --- ---
Twins,
assuming average fielding
96 849.1 3494 3173 240 41 7 31 2 747 142 19 110 860 70.41% 9.18% 391 453 0 0
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Phillies,
with actual fielding
96 862.0 3549 3232 257 38 4 17 1 737 154 8 92 877 71.76% 8.26% 356 480 --- ---
Phillies,
assuming average fielding
96 862.0 3496 3184 253 37 4 17 1 726 152 8 91 864 70.41% 9.18% 356 480 0 0
Cubs,
with actual fielding
98 864.0 3661 3293 298 33 10 23 4 784 138 10 104 845 71.39% 5.93% 407 407 --- ---
Cubs,
assuming average fielding
98 864.0 3606 3244 294 33 10 23 4 772 136 10 102 832 70.41% 9.18% 401 407 +1 +1
Royals,
with actual fielding
97 848.0 3591 3223 293 38 15 21 1 787 166 13 89 784 70.75% 7.88% 389 403 --- ---
Royals,
assuming average fielding
97 848.0 3537 3175 289 37 15 21 1 775 164 13 88 772 70.41% 9.18% 380 403 +1 +1
Rays,
with actual fielding
96 861.1 3647 3303 269 43 10 21 1 809 139 14 126 829 71.29% 5.59% 431 384 --- ---
Rays,
assuming average fielding
96 861.1 3592 3253 265 42 10 21 1 797 137 14 124 817 70.41% 9.18% 427 384 0 +1
Blue Jays,
with actual fielding
96 844.0 3616 3242 291 41 13 26 3 819 152 7 132 781 70.99% 7.45% 449 375 --- ---
Blue Jays,
assuming average fielding
96 844.0 3562 3193 287 40 13 26 3 807 150 7 130 769 70.41% 9.18% 441 375 +1 +1
Diamondbacks,
with actual fielding
97 861.2 3681 3329 281 33 6 29 3 873 186 30 110 709 70.02% 8.2% 453 448 --- ---
Diamondbacks,
assuming average fielding
97 861.2 3626 3279 277 33 6 29 3 860 183 30 108 698 70.41% 9.18% 440 448 +1 +2
Red Sox,
with actual fielding
95 853.1 3559 3235 246 41 10 25 2 767 130 9 96 823 71.46% 6.89% 375 456 --- ---
Red Sox,
assuming average fielding
95 853.1 3506 3186 242 40 10 25 2 755 128 9 95 811 70.41% 9.18% 369 456 +1 +2
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
98 862.0 3751 3312 366 31 9 31 2 813 165 13 121 825 71.24% 5.22% 474 321 --- ---
White Sox,
assuming average fielding
98 862.0 3695 3262 361 31 9 31 2 801 163 13 119 813 70.41% 9.18% 461 321 +1 +2
Tigers,
with actual fielding
97 859.2 3600 3264 262 34 6 33 1 790 138 23 96 829 70.82% 7.09% 396 393 --- ---
Tigers,
assuming average fielding
97 859.2 3546 3215 258 33 6 33 1 778 136 23 95 817 70.41% 9.18% 386 393 +1 +2
Padres,
with actual fielding
99 875.2 3698 3331 285 37 12 28 5 826 171 10 113 870 70.14% 8.27% 423 426 --- ---
Padres,
assuming average fielding
99 875.2 3643 3281 281 36 12 28 5 814 168 10 111 857 70.41% 9.18% 410 426 +1 +2
Cardinals,
with actual fielding
96 857.1 3597 3257 269 24 10 35 2 818 161 12 104 780 70.47% 8.29% 415 405 --- ---
Cardinals,
assuming average fielding
96 857.1 3543 3208 265 24 10 34 2 806 159 12 102 768 70.41% 9.18% 406 405 +1 +2
Athletics,
with actual fielding
98 862.1 3718 3282 330 59 12 34 1 844 205 13 103 737 70.22% 8.98% 457 391 --- ---
Athletics,
assuming average fielding
98 862.1 3662 3233 325 58 12 33 1 831 202 13 101 726 70.41% 9.18% 443 391 +1 +3
Pirates,
with actual fielding
96 860.1 3648 3276 290 45 6 27 4 808 176 15 93 823 70.12% 7.18% 417 391 --- ---
Pirates,
assuming average fielding
96 860.1 3593 3227 286 44 6 27 4 796 173 15 92 811 70.41% 9.18% 401 391 +2 +3
Marlins,
with actual fielding
96 851.1 3706 3289 326 53 13 25 0 836 176 20 101 784 69.9% 5.64% 463 325 --- ---
Marlins,
assuming average fielding
96 851.1 3650 3240 321 52 13 25 0 823 173 20 99 772 70.41% 9.18% 439 325 +2 +4
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Nationals,
with actual fielding
97 858.1 3631 3289 275 26 10 29 2 837 164 20 95 794 69.58% 8.09% 420 378 --- ---
Nationals,
assuming average fielding
97 858.1 3577 3240 271 26 10 29 2 782 153 20 94 782 70.41% 9.18% 400 378 +2 +4
Giants,
with actual fielding
97 856.2 3670 3293 297 45 7 26 2 857 172 23 95 808 68.55% 8.78% 445 417 --- ---
Giants,
assuming average fielding
97 856.2 3615 3244 293 44 7 26 2 844 169 23 94 796 70.41% 9.18% 415 417 +3 +5
Rockies,
with actual fielding
97 857.0 3815 3389 346 35 10 34 1 980 171 18 121 651 67.72% 8.42% 545 397 --- ---
Rockies,
assuming average fielding
97 857.0 3758 3338 341 34 10 33 1 965 168 18 119 641 70.41% 9.18% 499 397 +3 +6




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This page was last modified on Wednesday, 17 July 2024, at 7:39 am Pacific Time.