But how much does the Argentinian tinker during games compared to other managers?
Using data from industry-leaders Wyscout, we've taken a look at how many substitutions Bielsa has made during Leeds' table-topping campaign so far - and we've compared that figure to the Whites' Championship rivals for good measure.
Simply scroll down and click through the pages to view where Leeds United rank on the list.
Simply scroll down and click through the pages to view where Leeds United rank on the list.