Image source, Getty ImagesImage caption, Martim Fernandes' (right) first half own goal for Porto helped gift Nottingham Forest a 1-1 draw in the first leg of their Europa League quarter-final tie
Fernandes, 20, beat his own goalkeeper Diogo Costa from 45 yards with a misplaced backpass to level up the first leg, which ended 1-1.
To make matters worse, the Portuguese then suffered an injury minutes later and had to be substituted.
But is Fernandes' own goal the worst of all time? BBC Sport looks at some of football's most infamous OGs.
Former Arsenal duo Lee Dixon and David Seaman were part of a formidable backline for the Gunners during the 1990s and early 2000s - and both also featured for England.
Indeed, such was the Gunners' strength at the back that '1-0 to the Arsenal' became a familiar chant from the terraces.
But in 1991, Dixon and his goalkeeper were certainly not on the same page when he attempted a long-range back pass to Seaman in a match against Coventry at Highbury.
And the right back gave his goalkeeper no chance when the ball sailed over Seaman's head and into the net.
On the penultimate weekend of the 1997-98 First Division season, Manchester City hosted Queens Park Rangers knowing they needed a result to give themselves the chance of avoiding relegation down to England's third tier.
But they didn't count on Jamie Pollock doing his best Paul-Gascoigne-versus-Scotland-at-Euro-96 impression - only at the wrong end of the pitch.
Pollock somehow managed to flick a QPR cross high into the air and, in one graceful movement, head the ball over goalkeeper Martyn Margetson and into the net to put City's opponents 2-1 up.
City would equalise to earn a 2-2 draw. But despite a 5-2 win at Stoke on the final day, they were relegated to what is now League One by a single point.
Franck Queudrue spent nine years in English football, featuring for Middlesbrough, Fulham, Birmingham and Colchester, but it was months prior to leaving boyhood club Lens in 2001 that he produced one of the most iconic own goals of all time.
In a Ligue 1 match against Bastia, the left-back attempted a volleyed clearance 30 yards out from his own goal.
Queudrue connected with the ball superbly, but in completely the wrong direction to loop it high into the air and over his own goalkeeper.
For a defender who only scored only 28 league goals in his entire career, it is probably a contender for one of his best-ever strikes, albeit into the wrong net.
Darlington were aiming to sneak a play-off spot at the end of the League Two season and in a match against Bury, were gifted the perfect start.
Bury defender Chris Brass' attempted clearance smashed into his own face before trickling past a young Kasper Schmeichel in Bury's goal.
There was good news, of sorts, for Brass, though. The unfortunate incident actually saved him having surgery on his nose, which he'd broken earlier in his career, such was the impact. Every cloud.
And despite the early setback, Bury won 3-2 and went on to avoid relegation. Darlington missed the play-offs.
Image source, Getty ImagesImage caption, Sport Recife's players made a number of passes prior to the own goal, with Novorizontino going 1-0 up without touching the ball
Brazil are known for the way they play the beautiful game. But Alisson Cassiano would surely prefer not to be remembered for scoring one of football's slickest own goals.
In a second division match, Cassiano produced the rare feat of scoring an own goal for Sport Recife without their opponents Novorizontino even touching the ball.
From kick-off, Sport Recife passed the ball among themselves for 18 seconds before Cassiano finished the move - to his own embarrassment.
After his team-mates had knocked it around with their opponents chasing shadows, Cassiano rolled the ball back towards his own goal - only to see his goalkeeper standing next to him on the edge of the penalty area and the ball cross the line for an unfortunate, and beautiful, own goal.
What information do we collect from this quiz?Have you seen a better own goal? Tell us all about it below.
