Martin Zubimendi delivered a masterclass for Arsenal on Wednesday, earning Player of the Match honors in their tense victory over Sporting CP that sent the Gunners to the Champions League semi-finals. His commanding performance in midfield was crucial, but it came with an extra layer of pressure: he was walking a disciplinary tightrope.

Entering the match just one yellow card away from a suspension, Zubimendi navigated the high-stakes clash with impeccable composure, avoiding a booking that would have ruled him out of the first leg against Atletico Madrid. This is a massive boost for Mikel Arteta's side as they prepare for a monumental European tie.

The news gets even better for Arsenal. UEFA rules state that yellow card accumulations are wiped clean after the quarter-finals. This means Zubimendi is now in the clear; even if he receives a yellow in the first leg against Atletico, he will not miss the return match at the Emirates. This rule applies all the way to the final, removing the threat of a suspension for accumulated yellows for any Arsenal player.

Zubimendi wasn't the only Gunner on the brink, with Christian Norgaard also sitting on a warning. Norgaard's path to clearance was simpler, as he was an unused substitute against Sporting. The club has managed its discipline well in the knockouts, having already served suspensions for Zubimendi, Declan Rice, and Mikel Merino earlier in the tournament.

With the yellow card reset in effect, Arsenal can approach their semi-final showdown with Atletico Madrid at full strength and full intensity, a significant advantage as they chase a place in the Champions League final.