In this edition of Behind the Whistle, former Premier League referee Chris Foy goes through a selection of key match decisions from the weekend's games in the Sky Bet Championship, League One and League Two.

Behind the Whistle aims to give supporters of EFL clubs an insight into the decision-making considerations and also clarification of certain calls to provide an understanding of how the laws of the game are interpreted.

As part of a regular feature on Sky Sports following the conclusion of a matchday, Foy runs you through some refereeing matters in the EFL…

Norwich City 1-1 Derby County

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Behind the Whistle look at this controversial offside call against Derby in their 1-1 draw against Norwich

Incident - Goal scored, possible offside (Derby County)

Decision - Goal disallowed (Derby County)

Foy says: "This was the first of two offside decisions in the space of a couple of minutes in what was a fast-paced game, but unfortunately for me the assistant referee misreads this one and gets it wrong.

"As the ball is...