There are several former Arsenal stars currently thriving across the continent, but two attackers may now bid farewell to European football. Arsene Wenger thought he had given Arsenal a parting gift when he spent over £100m combined on two strikers in Alexandre Lacazette and Pierre-Emerick Aubameyang in his final season at the club. Lacazette joined from Lyon in the summer of 2017, but a slow start in a chaotic team meant that with the departure of Alexis Sanchez and Olivier Giroud in the following January, he was joined by Borussia Dortmund star Aubameyang. Wenger experimented with the forwar…