Heerenveen coach Robin van Persie was left furious this weekend after his side was held to a 2-2 draw by a rival that played with 12 men.
Heerenveen faced a team of 12 for part of a 2-2 draw against Fortuna Sittard - and now the Dutch FA is asking IFAB what to do ...
While the Madrid derby needs no introduction, a title race makes it even spicier as first-place Real Madrid host challengers Atletico Madrid at the Santiago Bernabeu on Saturday.