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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, 13 August 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
Rays,
with actual fielding		 120 1070.0 4405 4001 305 45 15 37 2 916 183 13 148 977 73.77% 8.01% 469 548 --- ---
Rays,
assuming average fielding		 120 1070.0 4348 3949 301 44 15 37 2 904 181 13 146 964 71.32% 8.22% 486 548 -2 -3
Dodgers,
with actual fielding		 122 1077.2 4467 4003 382 50 15 17 0 874 171 10 143 1088 73.93% 7.36% 452 589 --- ---
Dodgers,
assuming average fielding		 122 1077.2 4409 3951 377 49 15 17 0 863 169 10 141 1074 71.32% 8.22% 471 589 -3 -3
Cubs,
with actual fielding		 122 1089.2 4558 4118 358 45 16 20 1 1011 142 10 182 937 72.69% 9.80% 525 636 --- ---
Cubs,
assuming average fielding		 122 1089.2 4499 4065 353 44 16 20 1 998 140 10 180 925 71.32% 8.22% 541 636 -2 -2
Braves,
with actual fielding		 121 1077.0 4510 4005 417 42 12 31 3 914 150 16 138 1040 72.96% 8.58% 483 558 --- ---
Braves,
assuming average fielding		 121 1077.0 4451 3953 412 41 12 31 3 902 148 16 136 1027 71.32% 8.22% 494 558 -2 -2
Yankees,
with actual fielding		 121 1081.2 4483 4018 371 45 13 30 6 900 168 15 121 1091 72.66% 8.30% 446 528 --- ---
Yankees,
assuming average fielding		 121 1081.2 4425 3966 366 44 13 30 6 888 166 15 119 1077 71.32% 8.22% 450 528 -1 -1
Astros,
with actual fielding		 122 1081.1 4665 4044 504 73 17 27 0 958 152 17 164 1061 72.27% 8.56% 563 548 --- ---
Astros,
assuming average fielding		 122 1081.1 4604 3992 497 72 17 27 0 946 150 17 162 1047 71.32% 8.22% 568 548 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		 121 1072.2 4475 4007 370 51 23 24 0 919 177 17 116 994 72.72% 8.18% 454 548 --- ---
Tigers,
assuming average fielding		 121 1072.2 4417 3955 365 50 23 24 0 907 175 17 114 981 71.32% 8.22% 459 548 -1 -1
Diamondbacks,
with actual fielding		 122 1084.0 4580 4122 359 46 16 33 4 1036 204 25 140 828 72.03% 9.35% 529 531 --- ---
Diamondbacks,
assuming average fielding		 122 1084.0 4521 4069 354 45 16 33 4 1023 201 25 138 817 71.32% 8.22% 533 531 0 0
White Sox,
with actual fielding		 120 1071.1 4585 4006 437 75 24 38 5 954 177 17 131 1017 71.82% 8.36% 524 536 --- ---
White Sox,
assuming average fielding		 120 1071.1 4526 3954 431 74 24 38 5 942 175 17 129 1004 71.32% 8.22% 520 536 +1 0
Marlins,
with actual fielding		 122 1071.0 4530 4023 405 62 9 28 3 931 175 19 124 1021 72.32% 8.16% 496 549 --- ---
Marlins,
assuming average fielding		 122 1071.0 4471 3971 400 61 9 28 3 919 173 19 122 1008 71.32% 8.22% 494 549 0 0
Brewers,
with actual fielding		 122 1091.1 4499 4029 384 50 16 20 0 885 166 11 125 1186 72.40% 9.33% 435 572 --- ---
Brewers,
assuming average fielding		 122 1091.1 4441 3977 379 49 16 20 0 874 164 11 123 1171 71.32% 8.22% 435 572 0 0
Red Sox,
with actual fielding		 121 1076.1 4497 4059 342 47 18 30 1 971 187 8 117 1034 71.11% 8.32% 467 531 --- ---
Red Sox,
assuming average fielding		 121 1076.1 4439 4006 338 46 18 30 1 958 185 8 115 1021 71.32% 8.22% 455 531 +1 +1
Padres,
with actual fielding		 122 1079.0 4580 4062 426 50 14 25 3 993 176 15 135 992 71.15% 9.50% 513 507 --- ---
Padres,
assuming average fielding		 122 1079.0 4521 4009 420 49 14 25 3 980 174 15 133 979 71.32% 8.22% 508 507 +1 +1
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Reds,
with actual fielding		 120 1066.0 4674 4059 498 56 15 39 7 1000 175 20 151 965 71.67% 6.88% 592 512 --- ---
Reds,
assuming average fielding		 120 1066.0 4613 4006 492 55 15 38 7 987 173 20 149 952 71.32% 8.22% 581 512 +1 +2
Giants,
with actual fielding		 121 1068.0 4591 4027 450 51 22 38 3 995 179 25 113 911 71.20% 9.52% 532 510 --- ---
Giants,
assuming average fielding		 121 1068.0 4531 3975 444 50 22 38 3 982 177 25 112 899 71.32% 8.22% 516 510 +2 +2
Guardians,
with actual fielding		 122 1079.2 4575 4076 401 47 16 35 0 972 188 15 139 1131 70.84% 7.67% 516 495 --- ---
Guardians,
assuming average fielding		 122 1079.2 4516 4023 396 46 16 35 0 959 186 15 137 1116 71.32% 8.22% 496 495 +2 +3
Royals,
with actual fielding		 122 1071.1 4646 4102 456 46 14 28 0 1072 226 20 156 901 70.33% 10.33% 592 510 --- ---
Royals,
assuming average fielding		 122 1071.1 4586 4049 450 45 14 28 0 1058 223 20 154 889 71.32% 8.22% 571 510 +2 +3
Angels,
with actual fielding		 122 1074.1 4679 4052 515 64 10 35 3 951 172 16 131 1091 71.48% 6.85% 548 488 --- ---
Angels,
assuming average fielding		 122 1074.1 4618 3999 508 63 10 35 3 939 170 16 129 1077 71.32% 8.22% 531 488 +2 +3
Mariners,
with actual fielding		 122 1076.1 4476 4064 306 53 20 31 2 992 197 10 131 1036 70.79% 9.44% 480 488 --- ---
Mariners,
assuming average fielding		 122 1076.1 4418 4011 302 52 20 31 2 979 194 10 129 1023 71.32% 8.22% 464 488 +2 +3
Cardinals,
with actual fielding		 121 1080.1 4622 4102 412 58 11 35 4 1036 209 10 118 923 70.45% 9.86% 530 510 --- ---
Cardinals,
assuming average fielding		 121 1080.1 4562 4049 407 57 11 35 4 1023 206 10 116 911 71.32% 8.22% 510 510 +3 +3
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		 122 1068.1 4571 4118 361 50 14 25 3 1021 186 20 147 1023 70.74% 6.31% 537 509 --- ---
Rangers,
assuming average fielding		 122 1068.1 4512 4065 356 49 14 25 3 1008 184 20 145 1010 71.32% 8.22% 514 509 +2 +3
Blue Jays,
with actual fielding		 123 1095.1 4670 4119 457 30 24 37 3 991 168 9 129 1073 71.05% 8.28% 522 477 --- ---
Blue Jays,
assuming average fielding		 123 1095.1 4609 4066 451 30 24 37 3 978 166 9 127 1059 71.32% 8.22% 505 477 +2 +3
Nationals,
with actual fielding		 123 1097.2 4790 4227 430 65 20 45 3 1091 199 8 172 933 71.16% 7.88% 624 628 --- ---
Nationals,
assuming average fielding		 123 1097.2 4728 4172 424 64 20 44 3 1036 189 8 170 921 71.32% 8.22% 602 628 +2 +3
Twins,
with actual fielding		 123 1085.2 4734 4164 449 55 25 38 3 1049 212 15 144 1014 70.51% 6.46% 588 557 --- ---
Twins,
assuming average fielding		 123 1085.2 4673 4110 443 54 25 38 3 1035 209 15 142 1001 71.32% 8.22% 559 557 +3 +4
Mets,
with actual fielding		 122 1085.2 4662 4124 434 58 19 26 1 986 212 18 132 1095 70.97% 7.57% 534 507 --- ---
Mets,
assuming average fielding		 122 1085.2 4602 4071 428 57 19 26 1 973 209 18 130 1081 71.32% 8.22% 508 507 +3 +4
Athletics,
with actual fielding		 121 1072.1 4793 4191 482 60 11 48 1 1132 222 19 191 1024 690% 7.24% 693 524 --- ---
Athletics,
assuming average fielding		 121 1072.1 4731 4137 476 59 11 47 1 1117 219 19 189 1011 71.32% 8.22% 639 524 +5 +5
Orioles,
with actual fielding		 121 1074.2 4618 4118 403 33 13 49 2 1043 217 21 129 959 70.44% 8.41% 556 521 --- ---
Orioles,
assuming average fielding		 121 1074.2 4558 4065 398 33 13 48 2 1029 214 21 127 947 71.32% 8.22% 523 521 +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		 123 1096.2 4728 4169 448 68 12 27 4 1003 225 13 129 1137 70.29% 7.46% 543 608 --- ---
Pirates,
assuming average fielding		 123 1096.2 4667 4115 442 67 12 27 4 990 222 13 127 1122 71.32% 8.22% 511 608 +3 +5
Phillies,
with actual fielding		 123 1090.2 4669 4194 373 55 15 32 0 1049 178 22 145 1208 68.70% 7.11% 552 538 --- ---
Phillies,
assuming average fielding		 123 1090.2 4608 4140 368 54 15 32 0 1035 176 22 143 1192 71.32% 8.22% 501 538 +6 +7
Rockies,
with actual fielding		 121 1062.2 4753 4227 396 48 22 58 2 1218 273 40 168 830 68.27% 7.51% 715 560 --- ---
Rockies,
assuming average fielding		 121 1062.2 4691 4172 391 47 22 57 2 1202 269 39 166 819 71.32% 8.22% 641 560 +6 +8

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This page was last modified on Friday, 14 August 2026, at 5:31 am Pacific Time.