If he had the courage to do so and felt confident in his judgement, Velasco Carballo - the man responsible for LaLiga's VAR - would do well to organise an instructive session.
LaLiga enters the final straight with four teams fighting for the title, each with a very different situation. Alfredo Relaño offers his analysis.
Atlético Madrid were left to rue the vagaries of VAR in the 1-0 defeat against Sevilla as Real Madrid and Barcelona look to capitalize in the title race.
Atlético Madrid were knocked out of the Champions League by a Chelsea side who dominated the LaLiga leaders over two legs.
Alfredo Relaño evaluates the recent rise of Kylian Mbappé and Erling Haaland, but is not optimistic that either Real Madrid or Barcelona are in a position to sign either player.
PSG and Barcelona played out a 1-1 draw in Paris in their second leg last 16 Champions League match, which saw the French side go through 5-2 on aggregate.