LogFAQs > #923473435

Career Blocking Leaders (among active and recently retired players and in order of total blocks)
1. Shane Olivea - 895 blocks, 71 sacks allowed
2. Kareem McKenzie - 766 blocks, 67 sacks allowed
3. Daniel Inman - 762 blocks, 45 sacks allowed
4. Mark Tauscher - 740 blocks, 58 sacks allowed
5. Kwame Harris - 645 blocks, 77 sacks allowed
6. George Foster - 599 blocks, 45 blocks allowed
7. Chris Samuels - 594 blocks, 81 sacks allowed
8. Jordan Gross - 571 blocks, 59 sacks allowed
9. Robert Gallery - 568 blocks, 60 sacks allowed
10. Justin Blalock - 566 blocks, 50 sacks allowed

It isn't feasible to separate by sacks allowed or blocks per sack allowed. Also note that these are all OTs as OTs tend have far prettier lines to look at than interior OL.

I might do a deep dive of interior OL right now because there might be a fourth worthy candidate.
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KCF can't actually be a real person but he is - greengravy
https://imgur.com/VfpY7tg