Answered April 26th, 2019

Shaquille O'Neal blocks 15 shots vs. the Nets, tied with Manute Bol (2x) for the second-most in a game (the all-time mark is 17 by Elmore Smith).

What are the most blocks in a game by Shaq?
Interpreted as:
What are the most blocks in a regular season game by Shaq?