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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 Friday, 24 May 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
Dodgers,
with actual fielding
53 476.1 1943 1747 155 21 5 12 3 379 71 4 57 447 74.44% 8.1% 188 272 --- ---
Dodgers,
assuming average fielding
53 476.1 1920 1726 153 21 5 12 3 375 70 4 56 442 70.41% 9.18% 206 272 -2 -7
Yankees,
with actual fielding
53 474.0 1952 1732 173 29 4 13 1 365 77 6 48 464 74.37% 7.9% 187 265 --- ---
Yankees,
assuming average fielding
53 474.0 1929 1712 171 29 4 13 1 361 76 6 47 459 70.41% 9.18% 202 265 -2 -5
Orioles,
with actual fielding
49 444.0 1820 1649 145 18 1 6 1 362 79 6 46 423 73.38% 6.39% 175 230 --- ---
Orioles,
assuming average fielding
49 444.0 1798 1630 143 18 1 6 1 358 78 6 45 418 70.41% 9.18% 187 230 -2 -5
Mariners,
with actual fielding
52 456.1 1860 1690 131 20 4 14 1 372 70 10 57 438 74.03% 8.35% 186 192 --- ---
Mariners,
assuming average fielding
52 456.1 1838 1670 129 20 4 14 1 368 69 10 56 433 70.41% 9.18% 198 192 -2 -4
Rangers,
with actual fielding
52 459.0 1961 1728 196 23 2 11 1 400 80 9 55 440 72.31% 6.94% 222 222 --- ---
Rangers,
assuming average fielding
52 459.0 1938 1708 194 23 2 11 1 395 79 9 54 435 70.41% 9.18% 225 222 0 -1
Padres,
with actual fielding
54 479.1 2005 1795 162 22 6 18 2 421 83 5 62 476 71.98% 8.21% 219 225 --- ---
Padres,
assuming average fielding
54 479.1 1981 1774 160 22 6 18 2 416 82 5 61 470 70.41% 9.18% 221 225 -1 -1
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
51 455.1 1947 1711 192 22 4 17 1 411 84 7 62 425 71.97% 7.67% 234 222 --- ---
Angels,
assuming average fielding
51 455.1 1924 1691 190 22 4 17 1 406 83 7 61 420 70.41% 9.18% 237 222 0 -1
Royals,
with actual fielding
52 456.0 1911 1718 156 18 7 12 0 403 84 8 41 413 71.78% 6.84% 190 230 --- ---
Royals,
assuming average fielding
52 456.0 1888 1698 154 18 7 12 0 398 83 8 41 408 70.41% 9.18% 193 230 -1 -1
Guardians,
with actual fielding
51 459.0 1898 1702 153 23 6 12 2 391 95 10 53 460 720% 8.92% 201 219 --- ---
Guardians,
assuming average fielding
51 459.0 1876 1682 151 23 6 12 2 386 94 10 52 455 70.41% 9.18% 205 219 -1 -1
Red Sox,
with actual fielding
51 457.1 1885 1710 134 22 5 13 1 390 60 5 44 437 72.25% 7.61% 183 226 --- ---
Red Sox,
assuming average fielding
51 457.1 1863 1690 132 22 5 13 1 385 59 5 43 432 70.41% 9.18% 185 226 0 -1
Braves,
with actual fielding
48 430.0 1788 1621 141 18 4 4 0 381 56 4 44 410 71.32% 8.32% 179 221 --- ---
Braves,
assuming average fielding
48 430.0 1767 1602 139 18 4 4 0 376 55 4 43 405 70.41% 9.18% 178 221 0 0
Reds,
with actual fielding
51 449.2 1914 1705 160 31 3 14 1 408 84 6 54 427 71.47% 6.87% 218 194 --- ---
Reds,
assuming average fielding
51 449.2 1891 1685 158 31 3 14 1 403 83 6 53 422 70.41% 9.18% 218 194 0 0
Tigers,
with actual fielding
51 454.2 1892 1718 133 19 5 16 1 404 62 10 48 436 71.63% 5.95% 196 199 --- ---
Tigers,
assuming average fielding
51 454.2 1870 1698 131 19 5 16 1 399 61 10 47 431 70.41% 9.18% 196 199 0 0
Team G IP BFP AB BB HBP SH SF CI H 2B 3B HR SO FEbat FErun OR R       ΔW ΔWyr
Brewers,
with actual fielding
50 442.1 1892 1680 163 23 11 13 2 416 59 5 59 399 71.35% 8.08% 220 251 --- ---
Brewers,
assuming average fielding
50 442.1 1870 1660 161 23 11 13 2 411 58 5 58 394 70.41% 9.18% 218 251 0 0
Mets,
with actual fielding
50 448.1 1930 1661 215 28 4 19 3 382 80 6 41 442 71.61% 6.43% 218 213 --- ---
Mets,
assuming average fielding
50 448.1 1907 1641 212 28 4 19 3 377 79 6 41 437 70.41% 9.18% 220 213 0 0
Phillies,
with actual fielding
52 471.1 1937 1758 150 17 4 8 0 393 83 4 43 479 71.96% 8.1% 186 265 --- ---
Phillies,
assuming average fielding
52 471.1 1914 1737 148 17 4 8 0 388 82 4 42 473 70.41% 9.18% 186 265 0 0
Pirates,
with actual fielding
52 464.2 1976 1766 169 21 4 14 2 422 84 5 60 438 71.85% 6.03% 229 215 --- ---
Pirates,
assuming average fielding
52 464.2 1953 1745 167 21 4 14 2 417 83 5 59 433 70.41% 9.18% 229 215 0 0
White Sox,
with actual fielding
52 451.0 1966 1740 197 16 2 11 0 425 85 9 69 422 71.79% 5.95% 253 160 --- ---
White Sox,
assuming average fielding
52 451.0 1943 1719 195 16 2 11 0 420 84 9 68 417 70.41% 9.18% 249 160 0 +1
Astros,
with actual fielding
51 453.0 1963 1723 198 25 1 13 3 431 77 7 59 425 70.31% 8.12% 242 244 --- ---
Astros,
assuming average fielding
51 453.0 1940 1703 196 25 1 13 3 426 76 7 58 420 70.41% 9.18% 238 244 0 +1
Rays,
with actual fielding
52 467.2 1985 1793 150 26 5 11 0 437 77 6 69 445 71.58% 5.73% 237 200 --- ---
Rays,
assuming average fielding
52 467.2 1962 1772 148 26 5 11 0 432 76 6 68 440 70.41% 9.18% 235 200 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
51 455.0 1922 1744 148 13 2 13 2 447 98 19 51 384 70.09% 8.56% 224 221 --- ---
Diamondbacks,
assuming average fielding
51 455.0 1899 1723 146 13 2 13 2 442 97 19 50 379 70.41% 9.18% 218 221 +1 +2
Twins,
with actual fielding
50 442.0 1860 1688 126 23 4 17 2 415 77 5 59 463 70.01% 6.28% 211 213 --- ---
Twins,
assuming average fielding
50 442.0 1838 1668 125 23 4 17 2 410 76 5 58 458 70.41% 9.18% 204 213 +1 +2
Blue Jays,
with actual fielding
50 434.0 1854 1653 157 18 6 17 3 416 82 5 63 409 70.68% 9.03% 228 190 --- ---
Blue Jays,
assuming average fielding
50 434.0 1832 1633 155 18 6 17 3 411 81 5 62 404 70.41% 9.18% 223 190 0 +2
Cubs,
with actual fielding
51 454.2 1948 1745 166 19 4 13 1 414 74 8 52 449 71.29% 4.67% 223 204 --- ---
Cubs,
assuming average fielding
51 454.2 1925 1724 164 19 4 13 1 409 73 8 51 444 70.41% 9.18% 215 204 +1 +3
Cardinals,
with actual fielding
49 433.2 1834 1658 140 14 4 16 2 425 87 6 57 402 69.81% 8.8% 219 191 --- ---
Cardinals,
assuming average fielding
49 433.2 1812 1638 138 14 4 16 2 420 86 6 56 397 70.41% 9.18% 211 191 +1 +3
Marlins,
with actual fielding
52 464.0 2042 1793 197 32 10 10 0 452 99 11 52 435 69.83% 5.03% 255 174 --- ---
Marlins,
assuming average fielding
52 464.0 2018 1772 195 32 10 10 0 447 98 11 51 430 70.41% 9.18% 240 174 +1 +4
Athletics,
with actual fielding
53 470.1 2017 1793 169 27 8 19 1 462 110 8 51 414 69.67% 8.74% 244 210 --- ---
Athletics,
assuming average fielding
53 470.1 1993 1772 167 27 8 19 1 457 109 8 50 409 70.41% 9.18% 232 210 +1 +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
49 433.2 1836 1657 147 10 4 17 1 428 88 9 40 374 69.3% 9.83% 211 190 --- ---
Nationals,
assuming average fielding
49 433.2 1814 1637 145 10 4 17 1 395 81 9 40 370 70.41% 9.18% 200 190 +1 +4
Rockies,
with actual fielding
50 443.0 1959 1732 196 12 5 14 0 483 75 7 56 333 68.65% 8.17% 263 201 --- ---
Rockies,
assuming average fielding
50 443.0 1936 1712 194 12 5 14 0 477 74 7 55 329 70.41% 9.18% 247 201 +1 +5
Giants,
with actual fielding
52 457.0 1979 1770 165 30 2 10 2 457 95 11 49 431 68.66% 7.82% 242 218 --- ---
Giants,
assuming average fielding
52 457.0 1956 1749 163 30 2 10 2 452 94 11 48 426 70.41% 9.18% 225 218 +2 +6




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