Leaders Season 9
Block Percentage
Minimum 1500 Minutes Played
| 1 | Bill Russell |  HAW |
7.1310 |
| 2 | Hakeem Olajuwon |  KCS |
7.0206 |
| 3 | Victor Wembanyama |  SKS |
6.8623 |
| 4 | Marcus Camby |  SDC |
6.8453 |
| 5 | Willie Simmons |  BAN |
5.7261 |
| 6 | Wilt Chamberlain |  WAS |
5.5790 |
| 7 | Kareem Abdul-Jabbar |  BHP |
5.5678 |
| 8 | Dikembe Mutombo |  CLC |
5.4349 |
| 9 | Mark Eaton |  DAL |
5.3944 |
| 10 | Garfield Heard |  MAC |
5.3235 |
| 11 | Nate Thurmond |  MAN |
5.2736 |
| 12 | David Robinson |  CAN |
5.1267 |
| 13 | Ben Wallace |  SEA |
5.0032 |
| 14 | Myles Turner | BAN |
4.8828 |
| 15 | Shaquille O'Neal |  LAJ |
4.5717 |
| 16 | George Mikan | SDC |
4.5202 |
| 17 | Benoit Benjamin | BAN |
4.4221 |
| 18 | Tim Duncan |  BRK |
4.1162 |
| 19 | Elvin Hayes |  PHX |
3.9473 |
| 20 | Horse Haggerty |  CLS |
3.9460 |
| 21 | Rasheed Wallace |  BOS |
3.6206 |
| 22 | Red Rocha |  OKL |
3.6165 |
| 23 | Dwight Howard |  IDA |
3.5576 |
| 24 | Bob Pettit | CLC |
3.5286 |
| 25 | Patrick Ewing | BHP |
3.4740 |
| 26 | Josh Smith |  FTW |
3.3488 |
| 27 | Bailey Howell |  PIT |
3.2991 |
| 28 | Arvydas Sabonis |  KAL |
3.2584 |
| 29 | Moses Malone | PHX |
3.2415 |
| 30 | Kristaps Porzingis |  LVS |
3.2118 |
| 1 | Tarzan Cooper | BHP |
16.779111255271 |
| 2 | Walker Kessler | KAL |
8.3996427411497 |
| 3 | Bill Russell | HAW |
7.1309579082094 |
| 4 | Hakeem Olajuwon | KCS |
7.020556809358 |
| 5 | Victor Wembanyama | SKS |
6.862269339651 |
| 6 | Marcus Camby | SDC |
6.8453281182095 |
| 7 | Fred Segar | FTW |
6.0019201755589 |
| 8 | Willie Simmons | BAN |
5.7261167183255 |
| 9 | Wilt Chamberlain | WAS |
5.5789673990363 |
| 10 | Kareem Abdul-Jabbar | BHP |
5.5678205067084 |
| 11 | Walt Bellamy | PIT |
5.4805787234043 |
| 12 | Dikembe Mutombo | CLC |
5.4348654407925 |
| 13 | Mark Eaton | DAL |
5.3944490413788 |
| 14 | Garfield Heard | MAC |
5.3235048817225 |
| 15 | Nate Thurmond | MAN |
5.2735859538258 |
| 16 | David Robinson | CAN |
5.1266996406554 |
| 17 | Ben Wallace | SEA |
5.0032487393307 |
| 18 | Myles Turner | BAN |
4.8827503857587 |
| 19 | Robert Williams | BOS |
4.8529467381027 |
| 20 | Jack Coleman | BOS |
4.7065216210048 |
| 21 | Shaquille O'Neal | LAJ |
4.5716960678033 |
| 22 | Dereck Lively II |  LED |
4.5329855645995 |
| 23 | George Mikan | SDC |
4.5201945317597 |
| 24 | Benoit Benjamin | BAN |
4.4221060448974 |
| 25 | Chet Holmgren | BOS |
4.402875064811 |
| 26 | Alonzo Mourning | SEA |
4.309953169777 |
| 27 | Brook Lopez | KAL |
4.284732222546 |
| 28 | Richie Dieghan | CAN |
4.1627120511884 |
| 29 | Tim Duncan | BRK |
4.1161728076114 |
| 30 | Derrick Favors | KAL |
3.9598315779706 |
| Stat Requirements are prorated during season |