2021 MLB Pitcher Komatsu-shiki Donation(KD)Rating .
| 1 | Wainwright, A |
| 2 | Buehler, W |
| 3 | Wheeler, Z |
| 4 | Urías, J |
| 5 | Rogers, T |
| 6 | Gausman, K |
| 7 | Ray, R |
| 8 | Alcantara, S |
| 9 | Cole, G |
| 10 | Morton, C |
| 11 | Berríos, J |
| 12 | Montas, F |
| 13 | Scherzer, M |
| 14 | Hendricks, K |
| 15 | Gallegos, G |
| 16 | Flexen, C |
| 17 | Hendriks, L |
| 18 | Mahle, T |
| 19 | Treinen, B |
| 20 | Márquez, G |
| 21 | Eovaldi, N |
| 22 | Musgrove, J |
| 23 | Manaea, S |
| 24 | Ryu, H |
| 25 | Giolito, L |
| 25 | Gibson, K |
| 27 | Castillo, L |
| 28 | Lyles, J |
| 29 | Reyes, A |
| 29 | Stroman, M |
| 29 | Fried, M |
| 32 | Irvin, C |
| 33 | DeSclafani, A |
| 33 | Greinke, Z |
| 35 | Nola, A |
| 36 | Woodruff, B |
| 37 | Jansen, K |
| 37 | Cease, D |
| 39 | Melancon, M |
| 40 | Iglesias, R |
| 41 | McCullers, L |
| 42 | Burnes, C |
| 43 | Miley, W |
| 44 | Corbin, P |
| 45 | Smith, W |
| 46 | Rodriguez, E |
| 47 | McGee, J |
| 48 | Matz, S |
| 48 | Bassitt, C |
| 50 | Trivino, L |
| KD | G | IP | W | L | Hld | Sv | |
|---|---|---|---|---|---|---|---|
| (STL) | 789 | 32 | 206.1 | 17 | 7 | 0 | 0 |
| (LAD) | 783 | 33 | 207.2 | 16 | 4 | 0 | 0 |
| (PHI) | 780 | 32 | 213.1 | 14 | 10 | 0 | 0 |
| (LAD) | 757 | 32 | 185.2 | 20 | 3 | 0 | 0 |
| (SF) | 743 | 80 | 81.0 | 7 | 1 | 30 | 13 |
| (SF) | 716 | 33 | 192.0 | 14 | 6 | 0 | 0 |
| (TOR) | 710 | 32 | 193.1 | 13 | 7 | 0 | 0 |
| (MIA) | 707 | 33 | 205.2 | 9 | 15 | 0 | 0 |
| (NYY) | 704 | 30 | 181.1 | 16 | 8 | 0 | 0 |
| (ATL) | 697 | 33 | 185.2 | 14 | 6 | 0 | 0 |
| (TOR) | 696 | 32 | 192.0 | 12 | 9 | 0 | 0 |
| (OAK) | 691 | 32 | 187.0 | 13 | 9 | 0 | 0 |
| (LAD) | 688 | 30 | 179.1 | 15 | 4 | 0 | 0 |
| (CHC) | 683 | 32 | 181.0 | 14 | 7 | 0 | 0 |
| (STL) | 681 | 73 | 80.1 | 6 | 5 | 24 | 14 |
| (SEA) | 679 | 31 | 179.2 | 14 | 6 | 0 | 0 |
| (CWS) | 673 | 69 | 71.0 | 8 | 3 | 0 | 38 |
| (CIN) | 670 | 33 | 180.0 | 13 | 6 | 0 | 0 |
| (LAD) | 667 | 72 | 72.1 | 6 | 5 | 32 | 7 |
| (COL) | 660 | 32 | 180.0 | 12 | 11 | 0 | 0 |
| (BOS) | 657 | 32 | 182.1 | 11 | 9 | 0 | 0 |
| (SD) | 654 | 32 | 181.1 | 11 | 9 | 0 | 0 |
| (OAK) | 648 | 32 | 179.1 | 11 | 10 | 0 | 0 |
| (TOR) | 647 | 31 | 169.0 | 14 | 10 | 0 | 0 |
| (CWS) | 646 | 31 | 178.2 | 11 | 9 | 0 | 0 |
| (PHI) | 646 | 31 | 182.0 | 10 | 9 | 0 | 0 |
| (CIN) | 643 | 33 | 187.2 | 8 | 16 | 0 | 0 |
| (TEX) | 640 | 32 | 180.0 | 10 | 13 | 0 | 0 |
| (STL) | 637 | 69 | 72.1 | 10 | 8 | 3 | 29 |
| (NYM) | 637 | 33 | 179.0 | 10 | 13 | 0 | 0 |
| (ATL) | 637 | 28 | 165.2 | 14 | 7 | 0 | 0 |
| (OAK) | 635 | 32 | 178.1 | 10 | 15 | 0 | 0 |
| (SF) | 633 | 31 | 167.2 | 13 | 7 | 0 | 0 |
| (HOU) | 633 | 30 | 171.0 | 11 | 6 | 1 | 0 |
| (PHI) | 632 | 32 | 180.2 | 9 | 9 | 0 | 0 |
| (MIL) | 628 | 30 | 179.1 | 9 | 10 | 0 | 0 |
| (LAD) | 627 | 69 | 69.0 | 4 | 4 | 0 | 38 |
| (CWS) | 627 | 32 | 165.2 | 13 | 7 | 0 | 0 |
| (SD) | 624 | 64 | 64.2 | 4 | 3 | 0 | 39 |
| (LAA) | 620 | 65 | 70.0 | 7 | 5 | 0 | 34 |
| (HOU) | 617 | 28 | 162.1 | 13 | 5 | 0 | 0 |
| (MIL) | 611 | 28 | 167.0 | 11 | 5 | 0 | 0 |
| (CIN) | 609 | 28 | 163.0 | 12 | 7 | 0 | 0 |
| (WSH) | 605 | 31 | 171.2 | 9 | 16 | 0 | 0 |
| (ATL) | 604 | 71 | 68.0 | 3 | 7 | 0 | 37 |
| (BOS) | 603 | 32 | 157.2 | 13 | 8 | 0 | 0 |
| (SF) | 599 | 62 | 59.2 | 3 | 2 | 8 | 31 |
| (TOR) | 592 | 29 | 150.2 | 14 | 7 | 0 | 0 |
| (OAK) | 592 | 27 | 157.1 | 12 | 4 | 0 | 0 |
| (OAK) | 591 | 71 | 73.2 | 7 | 8 | 8 | 22 |
KD is one of baseball statistic which is popular to certain internet people in Japan. It is calculated with a simple formura as below :
It is quite different from the concept of sabermetrics. But interestingly, KD clearly shows the pitcher's impression , impact or contribution to the team. And KD can compare pitchers with different role : starter, setup man and closer.
In 2011, Satoshi KOMATSU ( ex Orix Buffaloes picher, NPB ) started his contribution activity named "ONE OUT DONATION". He donated amounts calculated from his pitching results to a charity group.
KD formula (seen above) is based on his method of calculating donation amounts.