Arsenal have booked their place in the Champions League semi-finals, but it was far from a classic. A tense, goalless draw against a dogged Sporting CP at the Emirates was enough to see the Gunners through 2-1 on aggregate, etching a new chapter in the club's European history.

For the first time ever, Arsenal have reached the Champions League semi-finals in two consecutive seasons. While the performance itself may not live long in the memory, the achievement underscores the remarkable consistency Mikel Arteta is building. The manager, clearly feeling his side's recent domestic wobbles have been over-scrutinized, passionately defended his players post-match, emphasizing the magnitude of their ongoing campaign.

There's no time to dwell, however, as Arsenal now face a monumental week. The focus immediately shifts to a seismic Premier League title clash with Manchester City this Sunday, a match that could define their domestic season. After that, a tantalizing European tie awaits against the masters of defensive discipline: Diego Simeone's Atlético Madrid.

Navigating past Atlético will require Arsenal to be at their tactical best, a challenge for which this gritty, pragmatic performance against Sporting may prove valuable preparation. The last—and only—time Arsenal went further was 20 years ago under Arsène Wenger, a reminder of the elite company this current squad is keeping. The dream of a first Champions League final since 2006 is now just four matches away.