Gameweek 4 of the Europa League was highly interesting with several entertaining matches on offer. The likes of Manchester United and Sevilla qualified for the next round after convincing wins to keep their run alive. Wolves beat Slovan Bratislava to register their third straight win and get closer to qualification. Here are the key takeaways from gameweek 4. Ole Gunnar Solskjaer was ecstatic after seeing Manchester United bossing in attack and creating chances. Teenager Mason Greenwood gave United the lead with a strong finish. Anthony Martial and Marcus Rashford scored two beautiful goals to floor Partizan at Old Trafford. Solskjaer's men are top of Group L and have gained qualification. Getting the second and the third goal pleased the manager. Premier League club Wolves lost their opening round fixture in Group K. From there on, Wolves have gone on to earn three straight hard-fought wins. On Thursday, Raul Jiminez's injury-time goal helped the side beat Slovan Bratislava to be on the brink of qualification. Wolves are second in Group K with nine points in total. The side is filled with character and grit. Too many times we're 1-0 up and haven't got the second but these boys are learning and this will give them loads of pointers of how we play when performing well, said Solskjaer. Munir El Haddadi's hat-trick ensured Sevilla's progression in the ongoing Europa League. The Spanish side beat F91 Dudelange 5-2 away from home to keep their 100% record on in Group A. Scottish giants Celtic also gained qualification after beating Lazio 2-1 in Group E. A last-gasp Olivier Ntcham goal handed Celtic a ticket to the last-32 stage. Celtic are unbeaten so far.