Revealed: The surprising number of substitutions Sunderland have made this season - compared to their rivals

With third tier clubs now able to make up to five changes per game, some fans are calling for the Black Cats to make better use of their changes having been conservative in their approach to substitutions thus far this term.

So how many subs have Sunderland made in League One, and how does it compare to the rest of the league? Scroll down and click through the pages to find out: