Last season’s runners-up Arsenal romped to an impressive 3-0 victory at Eintracht Frankfurt in their Europa League opener on Thursday.
Unai Emery’s much-changed side put up an impressive showing with youngsters Joe Willock and Bukayo Saka scoring in Germany.
In between, Dominik Kohr was sent off for last season’s beaten semifinalists Frankfurt, and Pierre-Emerick Aubameyang made sure of the win for Arsenal in the Group F clash.
Their next game will be at home to Standard Liege, who beat Vitoria Guimaraes 2-0 on Thursday.
At Old Trafford, United had teenager Mason Greenwood to thank as the 17-year-old’s goal gave them a 1-0 win over Astana of Kazakhstan in Group L.
Greenwood became the youngest goalscorer for United in European competition with a composed finish 17 minutes from time.
The group’s other game saw AZ Alkmaar come from behind to draw 2-2 with Partizan Belgrade in Serbia despite playing more than an hour with 10 men.
Wolverhampton Wanderers were unable to make it three wins out of three for Premier League clubs as they slumped to a 1-0 home defeat against Braga at Molineux.
In the same group Slovan Bratislava were 4-2 winners at home to Besiktas, who welcome Wolves to Istanbul in a fortnight.
Meanwhile, Steven Gerrard’s Rangers started in fine fashion as they edged out Feyenoord 1-0 at Ibrox in Group G with Nigeria’s Sheyi Ojo scoring the only goal of the game midway through the first half.
Rangers next travel to Switzerland to take on Young Boys, who lost 2-1 at Porto on Thursday with Tiquinho netting twice for the hosts.
Celtic battled to a 1-1 draw with Rennes in France in a fiery Group E encounter, with Ryan Christie’s second-half penalty cancelling out M’Baye Niang’s 38th-minute spot-kick for the hosts before the visitors had Vakoun Issouf Bayo sent off at the death.
They now host CFR Cluj, the same side who eliminated them in Champions League qualifying and also shocked Lazio 2-1 on Thursday.
Elsewhere, Sevilla, who won the Europa League three years running from 2014 to 2016, beat Qarabag 3-0 in Azerbaijan in Group A with Javier Hernandez getting their opening goal.
PSV Eindhoven opened up Group D with a 3-2 victory against Sporting Lisbon while Roma crushed Istanbul Basaksehir 4-0 in Group J.