NBA Players with the Most Blocks Recorded in Their 21st Season
Explore the NBA players who delivered the best stats ever in a 21st NBA season, ranked by regular season total blocks. See how the all-time greats compare in this top-50 historical list.
Which NBA player had the most total blocks in the Regular Season in his 21st year?
Playing for the 2024 Los Angeles Lakers, LeBron James recorded a total of 38 blocks in 71 games — the highest total ever by an NBA player in his 21st season.
Total Blocks, 21st Season
38 blk
LeBron James
(2024 Los Angeles Lakers)
Note: 
= NBA champion in this season.
Total Blocks in a Player's 21st Season - Full List
Regular Season
| Blocks | Other stats | ||||||||
| Rk | Player
(Team) |
Total | Per Game | Gms | Pts | Reb | Ast | Stl | 3pm |
| 1 | (2024 Lakers) |
38 | 0.5 | 71 | 1,822 | 518 | 589 | 89 | 149 |
| 2 | (2019 Hawks) |
27 | 0.4 | 76 | 562 | 194 | 87 | 44 | 123 |
| 3 | (1997 Bulls) |
19 | 0.4 | 43 | 161 | 89 | 22 | 6 | 0 |
| 4 | (2019 Mavericks) |
18 | 0.4 | 51 | 373 | 158 | 35 | 9 | 64 |
| 5 | (2016 Timberwolves) |
10 | 0.3 | 38 | 122 | 150 | 62 | 28 | 0 |
| 6 | (2007 Mavericks) |
1 | 0.2 | 5 | 12 | 8 | 1 | 2 | 0 |