Between the 1947 and 2000 seasons, Mark McGwire launched the most home runs in a season, with 70 home runs in 1998.
Interpreted as:
most home runs by a player in a season from 1947 to 2000| NAME | HR | SEASON | TM | G | AB | R | H | 2B | 3B | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | wRC | WRAA | wOBA | wRC+ | BRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. McGwire | 70 | 1998 | 155 | 509 | 130 | 152 | 21 | 0 | 147 | 162 | 6 | 155 | 1 | 0 | 681 | 383 | 91 | 0 | 4 | 28 | 8 | .299 | .470 | .752 | 1.222 | 176 | 91.7 | .492 | 205 | 90.7 | |
| 2 |  | S. Sosa | 66 | 1998 | 159 | 643 | 134 | 198 | 20 | 0 | 158 | 73 | 1 | 171 | 18 | 9 | 722 | 416 | 86 | 0 | 5 | 14 | 20 | .308 | .377 | .647 | 1.024 | 146 | 56.6 | .425 | 159 | 53.7 | |
| 3 | | M. McGwire | 65 | 1999 | 153 | 521 | 118 | 145 | 21 | 1 | 147 | 133 | 2 | 141 | 0 | 0 | 661 | 363 | 87 | 0 | 5 | 21 | 12 | .278 | .424 | .697 | 1.120 | 150 | 64.2 | .453 | 169 | 61.5 | |
| 4 | | S. Sosa | 63 | 1999 | 162 | 625 | 114 | 180 | 24 | 2 | 141 | 78 | 3 | 171 | 7 | 8 | 712 | 397 | 89 | 0 | 6 | 8 | 17 | .288 | .367 | .635 | 1.002 | 138 | 45.2 | .414 | 143 | 41.3 | |
| 5 |  | R. Maris | 61 | 1961 | 161 | 590 | 132 | 159 | 16 | 4 | 141 | 94 | 7 | 67 | 0 | 0 | 698 | 366 | 81 | 0 | 7 | 0 | 16 | .269 | .372 | .620 | .993 | 138 | 55.9 | .424 | 162 | 55.1 | |
| 6 |  | M. McGwire | 58 | 1997 | TOT | 156 | 540 | 86 | 148 | 27 | 0 | 123 | 101 | 9 | 159 | 3 | 0 | 657 | 349 | 85 | 0 | 7 | 16 | 9 | .274 | .393 | .646 | 1.039 | 134 | 52.9 | .429 | 161 | 51.4 |
| 7 |  | K. Griffey Jr. | 56 | 1998 | 161 | 633 | 120 | 180 | 33 | 3 | 146 | 76 | 7 | 121 | 20 | 5 | 720 | 387 | 92 | 0 | 4 | 11 | 14 | .284 | .365 | .611 | .977 | 135 | 46 | .408 | 145 | 41.8 | |
| 8 | | K. Griffey Jr. | 56 | 1997 | 157 | 608 | 125 | 185 | 34 | 3 | 147 | 76 | 8 | 121 | 15 | 4 | 704 | 393 | 93 | 0 | 12 | 23 | 12 | .304 | .382 | .646 | 1.028 | 139 | 52.2 | .421 | 155 | 49 | |
| 9 |  | M. Mantle | 54 | 1961 | 153 | 514 | 131 | 163 | 16 | 6 | 128 | 126 | 0 | 112 | 12 | 1 | 646 | 353 | 76 | 1 | 5 | 9 | 2 | .317 | .448 | .687 | 1.135 | 156 | 79.6 | .478 | 197 | 78.8 | |
| 10 |  | R. Kiner | 54 | 1949 | 152 | 549 | 116 | 170 | 19 | 5 | 127 | 117 | 1 | 61 | 6 | 667 | 361 | 78 | 0 | 10 | .310 | .432 | .658 | 1.089 | 153 | 73.4 | .484 | 179 | 65.8 | ||||
| 11 | | M. McGwire | 52 | 1996 | 130 | 423 | 104 | 132 | 21 | 0 | 113 | 116 | 8 | 112 | 0 | 0 | 548 | 309 | 73 | 0 | 1 | 16 | 14 | .312 | .467 | .730 | 1.198 | 142 | 71.8 | .489 | 190 | 68.5 | |
| 12 | | G. Foster | 52 | 1977 | 158 | 615 | 124 | 197 | 31 | 2 | 149 | 61 | 5 | 107 | 6 | 4 | 689 | 388 | 85 | 0 | 8 | 10 | 17 | .320 | .382 | .631 | 1.013 | 139 | 58.4 | .430 | 165 | 54.1 | |
| 13 |  | W. Mays | 52 | 1965 | 157 | 558 | 118 | 177 | 21 | 3 | 112 | 76 | 0 | 71 | 9 | 4 | 638 | 360 | 76 | 2 | 2 | 16 | 11 | .317 | .398 | .645 | 1.043 | 136 | 68.2 | .448 | 186 | 62.7 | |
| 14 | | M. Mantle | 52 | 1956 | 150 | 533 | 132 | 188 | 22 | 5 | 130 | 112 | 2 | 99 | 10 | 1 | 652 | 376 | 79 | 1 | 4 | 6 | 4 | .353 | .464 | .705 | 1.169 | 164 | 88.9 | .498 | 202 | 84.6 | |
| 15 | | C. Fielder | 51 | 1990 | 159 | 573 | 104 | 159 | 25 | 1 | 132 | 90 | 5 | 182 | 0 | 1 | 673 | 339 | 77 | 0 | 5 | 11 | 15 | .277 | .377 | .592 | .969 | 127 | 51.8 | .419 | 165 | 50.2 | |
| 16 | | W. Mays | 51 | 1955 | 152 | 580 | 123 | 185 | 18 | 13 | 127 | 79 | 4 | 60 | 24 | 4 | 670 | 382 | 82 | 0 | 7 | 13 | 12 | .319 | .400 | .659 | 1.059 | 143 | 65.3 | .450 | 171 | 59.7 | |
| 17 | | R. Kiner | 51 | 1947 | 152 | 565 | 118 | 177 | 23 | 4 | 127 | 98 | 2 | 81 | 1 | 666 | 361 | 78 | 1 | 12 | .313 | .417 | .639 | 1.055 | 145 | 69.5 | .472 | 169 | 58.2 | ||||
| 18 | | J. Mize | 51 | 1947 | 154 | 586 | 137 | 177 | 26 | 2 | 138 | 74 | 4 | 42 | 2 | 664 | 360 | 79 | 0 | 6 | .302 | .384 | .614 | .998 | 132 | 57.1 | .448 | 156 | 47.4 | ||||
| 19 | | S. Sosa | 50 | 2000 | 156 | 604 | 106 | 193 | 38 | 1 | 138 | 91 | 2 | 168 | 7 | 4 | 705 | 383 | 89 | 0 | 8 | 19 | 12 | .320 | .406 | .634 | 1.040 | 146 | 53.4 | .428 | 154 | 51.8 | |
| 20 | | G. Vaughn | 50 | 1998 | 158 | 573 | 112 | 156 | 28 | 4 | 119 | 79 | 5 | 121 | 11 | 4 | 661 | 342 | 82 | 0 | 4 | 6 | 7 | .272 | .363 | .597 | .960 | 121 | 39.6 | .403 | 151 | 42.7 | |
| 21 | | B. Anderson | 50 | 1996 | 149 | 579 | 117 | 172 | 37 | 5 | 110 | 76 | 22 | 106 | 21 | 8 | 687 | 369 | 92 | 6 | 4 | 1 | 11 | .297 | .396 | .637 | 1.034 | 147 | 58 | .434 | 155 | 52.1 | |
| 22 | | A. Belle | 50 | 1995 | 143 | 546 | 121 | 173 | 52 | 1 | 126 | 73 | 6 | 80 | 5 | 2 | 629 | 377 | 103 | 0 | 4 | 5 | 24 | .317 | .401 | .690 | 1.091 | 143 | 64.3 | .456 | 173 | 59.9 | |
| 23 |  | B. Bonds | 49 | 2000 | 143 | 480 | 129 | 147 | 28 | 4 | 106 | 117 | 3 | 77 | 11 | 3 | 607 | 330 | 81 | 0 | 7 | 22 | 6 | .306 | .440 | .688 | 1.127 | 141 | 61 | .456 | 174 | 61.2 | |
| 24 | | A. Belle | 49 | 1998 | 163 | 609 | 113 | 200 | 48 | 2 | 152 | 81 | 1 | 84 | 6 | 4 | 706 | 399 | 99 | 0 | 15 | 10 | 17 | .328 | .399 | .655 | 1.055 | 150 | 62.1 | .437 | 165 | 59.7 | |
| 25 | | L. Walker | 49 | 1997 | 153 | 568 | 143 | 208 | 46 | 4 | 130 | 78 | 14 | 90 | 33 | 8 | 664 | 409 | 99 | 0 | 4 | 14 | 15 | .366 | .452 | .720 | 1.172 | 168 | 86.1 | .488 | 177 | 64.8 | |
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