Arsenal are through to the UEFA Champions League semi-finals, but they had to grind out a tense, goalless draw against a determined Sporting CP at the Emirates to get there.

Holding a slender 1-0 aggregate lead from the first leg, the Gunners managed the game rather than dominated it, advancing on aggregate but leaving fans on the edge of their seats until the final whistle.

Sporting, needing just one goal to force extra time, came out swinging. Francisco Trincão saw an early effort flash wide, and the visitors grew into the game, controlling possession and creating the better chances. The woodwork twice came to Arsenal's rescue, first denying Geny Catamo and later a curled effort from Maxi Araújo that had the away fans ready to erupt.

While Arsenal probed for a clinching goal—with Eberechi Eze firing a volley over and substitute Leandro Trossard hitting the post late on—the night was defined by resilient defending. David Raya's goal was rarely tested directly, but the defensive unit, marshaled superbly, stood firm against a barrage of set-pieces and Sporting's organized attacks.

A poignant moment of pure North London passion came not from a goal, but from the bench. The loudest cheer of the evening erupted for academy starlet Max Dowman simply taking off his warm-up bib, a testament to the deep connection between the club and its future.

Ultimately, this was a professional, if unspectacular, European performance. Mikel Arteta's side preserved their unbeaten Champions League record this season and booked a historic semi-final berth. The focus now shifts instantly back to a titanic Premier League title race, but for tonight, Arsenal and their fans can celebrate a hard-fought passage to the final four.