Nicolas Pepe came off the bench to save Arsenal at home against Vittoria Guimares with two late free kicks in the Europa League on Thursday.
Arsenal came from behind to win 3–2 in Group F.
They are one of only two teams from nine matches with Sevilla, who beat Luxembourg's Dudelange 3–0 in Group A.
Manchester United are one of the teams on seven points and need just one more win to qualify from Group L after winning 1-0 against Partizan on an emotional day in Belgrade.
Celtic came away with a goal and topped Group E to defeat Lazio 2–1 in Glasgow. PSV Eindhoven were beaten 0–0 by Linz at home but still led Group D.
The Rangers drew 1–1 in Porto in Group G while Volves beat Slovan 2–1 in Brasislava in Group K and both are in contention.
At the Emirates, Arsenal made 10 changes in the Premier League from the losing team at Sheffield United on Monday. For more matches, he looked worse.
Arsenal dominated, but were outscored 14–11.
He made his worst debut by nine minutes behind a goal scored by a former Tottenham player.
In the ninth minute, Marcus Edwards, once compared to Spurs manager Mauricio Pochettino as a young Lionel Messi, fired a bullet under Emiliano Martinez.
Brazilian teen Gabriel Martinelli responded with a header but Vittoria took the lead just before half-time with a goal from Bruno Duarte.
With Arsenal's young strikers struggling, Pepe, who had not yet scored from open play for the Gunners, came in the 64th minute.
After 80 minutes he put a free kick inside the far post. He repeated the trick in three minutes to secure the victory.
"This is important for Pepe," Arsenal manager Unai Emery signed his big summer signing. "He can gain confidence from tonight. When he scores well for him and the team. "
In Belgrade, Manchester United won & # 39; Busby Babes & # 39; Held a ceremony to remember, and then won for the first time since March.
Anthony Marshall scored the only goal with a penalty kick after 43 minutes, but the hosts made eight strikes on United with only three goals.
The game marked a return to the field where the famous team of Matt Busby's youth team played their last game, a European Cup quarter-final against the Red Star in February 1958.
His plane crashed in Munich on the way home and there were seven joint players among the 23 killed.
United have only played once in Belgrade since they lost to Partizan in a European Cup semi-final in 1966.
& # 39; Unfavorable environment & # 39;
On Thursday afternoon, United held a commemoration ceremony where former players Brian Robson and Mickey Thomas garlanded the pitch at Partisan Stadium and vice-president Ed Woodward delivered the speech.
"As soon as the draw occurred, our focus was to remember those who lost their lives in 1958," he said. "When they played together as a team, against Red Star Belgrade, it was the last place."
For the match, United made eight changes from the team that drew home with Liverpool on Sunday. The teenagers Brandon Williams and James Garner came on the team.
In the 43rd minute, Williams entered the partisan box to perform wild tricks from two home defenders. Marshall drove the penalty into the corner of the goal.
"We expect a hostile environment but we won," said joint guard Phil Jones. "I felt that Garner and Williams were outstanding."
In a game in Bratislava, an unusual atmosphere was played after Sloven banned the stadium for racism by giving the kids 21,000 tickets, with Wolves battling down a goal to win 2–1.
Andreas Spore gave the home team an early lead in the 11th minute.
Romain Sass joined in the 58th minute with a low shot that hit goalkeeper Dominic Greif's feet
Six minutes later, Vernon DeMarco gave Raul Jimenez a blow in front of goal and the resulting penalty gave the Wolves striker the winner.