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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 Sunday, 25 September 2022.
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
Dodgers,
with actual fielding
153 1368.2 5531 5029 385 73 13 31 0 1046 211 21 145 1371 74.67% 6.92% 497 796 --- ---
Dodgers,
assuming average fielding
153 1368.2 5431 4938 378 72 13 30 0 1027 207 21 142 1346 70.41% 9.18% 539 796 -5 -5
Astros,
with actual fielding
154 1372.1 5567 5034 434 58 13 28 0 1070 194 15 128 1432 73.2% 7.92% 489 690 --- ---
Astros,
assuming average fielding
154 1372.1 5467 4943 426 57 13 27 0 1051 191 15 126 1406 70.41% 9.18% 517 690 -4 -4
Yankees,
with actual fielding
152 1363.0 5592 5069 414 62 13 25 9 1115 233 7 151 1372 73.1% 6.3% 535 739 --- ---
Yankees,
assuming average fielding
152 1363.0 5491 4978 407 61 13 25 9 1095 229 7 148 1347 70.41% 9.18% 559 739 -3 -3
Rays,
with actual fielding
153 1361.2 5616 5136 363 65 12 33 7 1188 226 19 166 1315 72.38% 6.37% 580 610 --- ---
Rays,
assuming average fielding
153 1361.2 5515 5043 356 64 12 32 7 1167 222 19 163 1291 70.41% 9.18% 591 610 -1 -2
Mariners,
with actual fielding
152 1354.0 5609 5086 419 54 17 32 1 1202 233 19 169 1299 71.83% 7.81% 591 646 --- ---
Mariners,
assuming average fielding
152 1354.0 5508 4994 411 53 17 31 1 1180 229 19 166 1276 70.41% 9.18% 602 646 -1 -2
Guardians,
with actual fielding
153 1371.0 5654 5133 418 55 13 35 0 1189 235 10 164 1302 72.41% 7.87% 583 650 --- ---
Guardians,
assuming average fielding
153 1371.0 5552 5041 410 54 13 34 0 1168 231 10 161 1279 70.41% 9.18% 598 650 -2 -2
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
154 1365.2 5713 5144 457 58 13 38 3 1267 232 20 142 1115 71.43% 10.08% 604 727 --- ---
Cardinals,
assuming average fielding
154 1365.2 5610 5051 449 57 13 37 3 1244 228 20 139 1095 70.41% 9.18% 613 727 -1 -1
Padres,
with actual fielding
153 1360.1 5704 5132 437 80 8 45 2 1205 225 17 166 1364 71.57% 6.34% 617 657 --- ---
Padres,
assuming average fielding
153 1360.1 5601 5040 429 79 8 44 2 1183 221 17 163 1339 70.41% 9.18% 619 657 0 -1
Brewers,
with actual fielding
153 1361.0 5722 5103 498 64 11 41 5 1177 229 25 182 1432 71.9% 6.74% 636 685 --- ---
Brewers,
assuming average fielding
153 1361.0 5619 5011 489 63 11 40 5 1156 225 25 179 1406 70.41% 9.18% 640 685 -1 -1
Angels,
with actual fielding
153 1355.0 5718 5097 513 59 16 31 2 1192 254 14 165 1298 72.1% 7.21% 625 590 --- ---
Angels,
assuming average fielding
153 1355.0 5615 5005 504 58 16 30 2 1171 249 14 162 1275 70.41% 9.18% 634 590 -1 -1
Diamondbacks,
with actual fielding
154 1360.0 5758 5175 473 57 13 36 4 1276 279 21 173 1154 71.7% 8.4% 660 619 --- ---
Diamondbacks,
assuming average fielding
154 1360.0 5654 5082 464 56 13 35 4 1253 274 21 170 1133 70.41% 9.18% 666 619 0 0
Tigers,
with actual fielding
152 1330.0 5646 5056 468 53 16 52 1 1242 227 23 156 1109 71.86% 7.96% 642 496 --- ---
Tigers,
assuming average fielding
152 1330.0 5544 4965 460 52 16 51 1 1220 223 23 153 1089 70.41% 9.18% 645 496 0 0
Twins,
with actual fielding
153 1360.0 5736 5173 455 60 10 37 1 1262 259 19 179 1262 71.34% 7.18% 655 662 --- ---
Twins,
assuming average fielding
153 1360.0 5633 5080 447 59 10 36 1 1239 254 19 176 1239 70.41% 9.18% 655 662 0 0
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Braves,
with actual fielding
153 1368.1 5707 5114 478 61 8 45 1 1152 207 15 140 1483 71.44% 5.64% 569 721 --- ---
Braves,
assuming average fielding
153 1368.1 5604 5022 469 60 8 44 1 1131 203 15 137 1456 70.41% 9.18% 567 721 0 +1
Orioles,
with actual fielding
152 1348.2 5680 5157 406 58 8 45 6 1311 274 14 160 1138 70.58% 9.11% 648 628 --- ---
Orioles,
assuming average fielding
152 1348.2 5578 5064 399 57 8 44 6 1287 269 14 157 1117 70.41% 9.18% 636 628 +1 +1
Cubs,
with actual fielding
153 1364.2 5846 5220 516 68 5 34 3 1286 247 28 205 1305 71.17% 6.95% 719 627 --- ---
Cubs,
assuming average fielding
153 1364.2 5741 5126 507 67 5 33 3 1263 243 27 201 1281 70.41% 9.18% 710 627 +1 +1
Mets,
with actual fielding
154 1368.2 5665 5143 414 68 12 24 4 1208 217 12 158 1476 70.38% 8.56% 574 715 --- ---
Mets,
assuming average fielding
154 1368.2 5563 5050 407 67 12 24 4 1186 213 12 155 1449 70.41% 9.18% 564 715 +2 +1
Athletics,
with actual fielding
153 1347.2 5795 5196 482 66 13 36 2 1323 299 26 187 1120 71.15% 7.64% 711 499 --- ---
Athletics,
assuming average fielding
153 1347.2 5691 5102 473 65 13 35 2 1299 294 26 184 1100 70.41% 9.18% 704 499 +1 +1
White Sox,
with actual fielding
153 1369.2 5811 5203 502 45 14 45 2 1258 248 18 157 1362 70.59% 6.6% 653 650 --- ---
White Sox,
assuming average fielding
153 1369.2 5706 5109 493 44 14 44 2 1235 244 18 154 1337 70.41% 9.18% 632 650 +2 +2
Reds,
with actual fielding
153 1346.2 5872 5145 570 101 11 44 1 1296 264 21 207 1336 70.22% 7.04% 757 585 --- ---
Reds,
assuming average fielding
153 1346.2 5766 5052 560 99 11 43 1 1273 259 21 203 1312 70.41% 9.18% 738 585 +1 +2
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Marlins,
with actual fielding
153 1354.0 5707 5117 478 72 10 30 0 1241 293 28 168 1346 70.55% 9.04% 648 560 --- ---
Marlins,
assuming average fielding
153 1354.0 5604 5025 469 71 10 29 0 1219 288 27 165 1322 70.41% 9.18% 635 560 +2 +2
Rangers,
with actual fielding
152 1348.0 5801 5132 542 68 14 42 3 1263 270 18 154 1242 70.75% 7.36% 680 646 --- ---
Rangers,
assuming average fielding
152 1348.0 5696 5040 532 67 14 41 3 1240 265 18 151 1220 70.41% 9.18% 663 646 +2 +2
Phillies,
with actual fielding
152 1347.1 5667 5118 439 66 10 34 0 1249 267 26 141 1342 69.88% 7.86% 608 706 --- ---
Phillies,
assuming average fielding
152 1347.1 5565 5026 431 65 10 33 0 1226 262 26 138 1318 70.41% 9.18% 586 706 +3 +3
Blue Jays,
with actual fielding
153 1362.1 5733 5203 402 71 14 39 4 1295 250 19 176 1313 70.29% 7.81% 652 720 --- ---
Blue Jays,
assuming average fielding
153 1362.1 5630 5109 395 70 14 38 4 1272 245 19 173 1289 70.41% 9.18% 633 720 +3 +3
Nationals,
with actual fielding
152 1326.2 5836 5181 523 71 12 48 1 1377 228 23 223 1147 70.19% 7.48% 800 597 --- ---
Nationals,
assuming average fielding
152 1326.2 5731 5088 514 70 12 47 1 1298 215 23 219 1126 70.41% 9.18% 767 597 +3 +3
Red Sox,
with actual fielding
152 1348.0 5793 5178 496 69 7 43 0 1307 274 21 162 1269 69.84% 7.08% 694 677 --- ---
Red Sox,
assuming average fielding
152 1348.0 5689 5085 487 68 7 42 0 1283 269 21 159 1246 70.41% 9.18% 663 677 +3 +4
Rockies,
with actual fielding
153 1350.1 5912 5279 509 58 12 52 2 1441 315 44 175 1104 68.85% 8.11% 795 661 --- ---
Rockies,
assuming average fielding
153 1350.1 5805 5184 500 57 12 51 2 1415 309 43 172 1084 70.41% 9.18% 742 661 +4 +5
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Royals,
with actual fielding
153 1339.1 5911 5202 566 64 17 62 0 1410 256 25 166 1122 68.85% 8.29% 773 610 --- ---
Royals,
assuming average fielding
153 1339.1 5804 5108 556 63 17 61 0 1385 251 25 163 1102 70.41% 9.18% 720 610 +5 +5
Pirates,
with actual fielding
153 1340.0 5918 5232 557 80 13 32 4 1364 307 14 156 1187 69.29% 7.73% 754 538 --- ---
Pirates,
assuming average fielding
153 1340.0 5811 5138 547 79 13 31 4 1339 301 14 153 1166 70.41% 9.18% 694 538 +6 +5
Giants,
with actual fielding
153 1353.0 5731 5210 416 50 17 33 5 1316 280 26 128 1288 69.09% 7.31% 627 648 --- ---
Giants,
assuming average fielding
153 1353.0 5628 5116 409 49 17 32 5 1292 275 26 126 1265 70.41% 9.18% 584 648 +5 +6




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This page was last modified on Monday, 26 September 2022, at 6:19 pm Pacific Time.