Nicolas Pepe was sent off for a headbutt as Arsenal managed a 0-0 draw against Leeds United in the Premier League.
Two own goals and two from Nicolas Pepe and Joe Willock helped Arsenal beat Molde 4-1 in the Europa League.
Arsenal got a 2-1 win to leave Sheffield United without a point so far this season in the Premier League.
Pierre-Emerick Aubameyang scored both goals as Arsenal beat holders Manchester City to book to their place in the FA Cup final.
Dani Ceballos and Nicolas Pepe scored for Arsenal as they beat Sheffield United 2-1 in the FA Cup quarter-final.
Premier League: Neal Maupay scored in the 95th minute as Brihton & Hove Albion did the league over Arsenal for the first time ever.
Neal Maupay was verbally and physically attacked after the end of the match, in which he scored the winner and was involved in an clash with Bernd Leno.
Arsenal beat Newcastle United 4-0, their first Premier League win since New Year's Day, with Pierre-Emerick Aubameyang, Nicolas Pepe, Mesut Ozil and Alexandre Lacazette scoring.
Arsenal's interim coach Freddie Ljungberg said that he will talk to Nicolas Pepe to make him feel more settled at the club.
Arsenal defeated Vitoria Guimaraes 3-2 as Nicolas Pepe scored two free-kicks, whereas Manchester United beat Partizan Belgrade 1-0 thanks to a goal from Anthony Martial.
Nicolas Pepe became the most expensive African player ever and the fourth most expensive signing in Premier League history.