Barcelona delivered the performance of the day, tearing Vallecano apart 5-2 in La Liga Matchday 3 to send a clear statement of intent to the rest of Spain. The hosts were ruthless in front of goal, converting chance after chance in a seven-goal spectacle at Camp Nou. It was the kind of scoreline that underlines Barcelona's attacking potency early in the season, and one that will have their title rivals looking over their shoulders.

In the Premier League, Arsenal ground out a hard-fought 1-0 victory at Aston Villa on Matchday 2, keeping a clean sheet in a tight, tactically disciplined encounter. Villa Park is never an easy place to visit, and the Gunners' ability to defend resolutely and find the decisive goal speaks volumes about their mentality. Three points on the road set Arsenal up nicely as the English top flight begins to take shape.

Over in Serie A, Roma left no doubt about their quality with a comprehensive 4-0 demolition of Lecce on Matchday 2. The visitors were clinical from start to finish, never allowing their hosts a foothold in the match. It was a statement result for Roma, who will look to build momentum off the back of such a commanding away display.

The day's other Serie A fixture saw Atalanta snatch all three points against Bologna with a 1-0 victory sealed in the 90th minute. After a cagey contest that looked destined for a goalless draw, Atalanta found a breakthrough at the death to claim a hard-earned clean sheet win. It was the kind of result that separates contenders from the rest — finding a way to win when the game seems to be slipping away.

In the other La Liga fixture, Osasuna edged Getafe 1-0 in a defensive Matchday 3 encounter, keeping a clean sheet to collect all three points. It was a workmanlike win, but in a league as competitive as La Liga, every point matters at this early stage of the campaign.

With the European season still in its infancy, days like this set the tone for the months ahead. Barcelona's five-goal salvo puts them at the center of the La Liga conversation, Arsenal's gritty away win signals serious Premier League ambitions, and Roma's 4-0 rout serves notice in Serie A. As Matchday 3 and beyond approach, all eyes will be on whether these early-season form teams can sustain their momentum through a grueling schedule.