For five minutes at the Estádio José Alvalade, the Champions League threatened to turn cruel on Sporting CP. Then it turned decisive. A night that began with a gut-punch of an own goal ended in a wall of noise and a 3-1 victory, the hosts recovering their composure and then stamping their authority all over Galatasaray.

This was a statement of resilience as much as quality. Falling behind so early in Europe's most unforgiving competition can flatten a side, and for a spell the Turkish visitors sensed a famous evening. Sporting simply refused to grant them one, hauling themselves level before the interval and then pulling clear with two goals in the space of six second-half minutes.

By the final whistle the scoreline flattered nobody and told the full story. Sporting had trailed, equalised, surged and closed the game out, leaving Galatasaray to absorb a chastening opening night and begin their group campaign with nothing to show for their travels.

A nightmare start

The blow arrived before the crowd had properly settled. In the fifth minute Gonçalo Inácio, one of Sporting's most assured defenders, turned the ball into his own net, handing Galatasaray a lead they had barely threatened to earn. It was the kind of freakish, deflating moment that can define a European tie.

There was nothing for Inácio to do but wear it and move on. The Alvalade drew breath, the visitors celebrated a gift, and Sporting were left to reset a game plan that had been overturned inside the opening exchanges. For a few uneasy minutes the hosts looked rattled, chasing a lead that had been snatched from them by their own hand.

Yet the wobble did not last. Sporting gathered themselves, worked their way back into the contest and refused to let the early setback fester. The response, when it came, was emphatic enough to erase the memory of that ragged start.

Catamo restores order

The equaliser carried real quality. In the 27th minute Geny Catamo collected possession in the centre of the box, shifted onto his left foot and drove a shot low into the bottom right corner, the finish clean and clinical. From the chaos of the opening quarter, Sporting had found their footing.

It was a goal that changed the temperature of the evening. The doubt that had crept in after Inácio's misfortune drained away, replaced by the certainty of a side that believed the game was there to be taken. Catamo's strike restored parity and, more importantly, restored belief.

Level at the break, Sporting had the better of the momentum and the platform to push on. Galatasaray, having ridden their early fortune, now faced a home team growing into the contest and a crowd that had rediscovered its voice.

The knockout blows

The second half belonged entirely to the hosts. In the 57th minute Sporting were awarded a penalty and Luis Suárez stepped up, sending the goalkeeper the wrong way with a right-footed strike into the bottom left corner. For the first time all evening, Sporting led.

They scarcely paused for breath. Six minutes later Rodrigo Zalazar bent a free kick with his right foot into the top left corner, a strike of genuine class that arced beyond reach and settled the tie. From 2-1 to 3-1 in the blink of an eye, the game was gone.

That double blow inside a decisive spell broke Galatasaray's resistance completely. The visitors, who had begun the night dreaming of a smash-and-grab, were suddenly staring at a three-goal deficit with no route back. Sporting saw out the remainder with the calm of a team that knew the job was done.

What it means

Three points from their opening fixture leave Sporting CP sitting third with a maximum haul, three goals scored and a single conceded, their campaign launched with exactly the kind of controlled aggression that travels well in this competition. The manner of the win, forged from an early setback, will please them as much as the result itself.

For Galatasaray the picture is bleak from the outset. Beaten on their first outing, they sit 32nd with no points, one goal for and three against, and the long slog of the league phase now begins with ground already lost. Nights like this can shape a European campaign, and they must recover quickly.

Sporting will take heart from a performance that answered adversity with authority. Catamo, Suárez and Zalazar all left their mark on the scoresheet, and the recovery from Inácio's own goal spoke to a group with the character to match its talent. The Alvalade emptied into the Lisbon night with the sense that this was a statement worth making.