Olivier Giroud joined Chelsea and Michy Batshuayi left for Borussia Dortmund after Pierre Emerick-Aubameyang's move to Arsenal.
Borussia Monchengladbach have re-signed Reece Oxford on loan from West Ham a month after his original temporary deal was cut short.
It was an ugly exit at times, and new Arsenal striker Pierre-Emerick Aubameyang has said sorry to Borussia Dortmund supporters.
New Arsenal striker Pierre-Emerick Aubameyang has set his sights on replicating the feats of club legend Thierry Henry.
We crunch the Opta numbers to see how Pierre-Emerick Aubameyang's record stacks up to that of new Arsenal colleague Alexandre Lacazette.
Pierre-Emerick Aubameyang's move to Arsenal could be the spark for several more deals on transfer deadline day.
After Alexis Sanchez departed, Pierre-Emerick Aubameyang has joined former Borussia Dortmund team-mate Henrikh Mkhitaryan at Arsenal.
Arsenal are yet to confirm the arrival of Pierre-Emerick Aubameyang, but Arsene Wenger has spoken about the Dortmund striker's ability.
Borussia Dortmund have agreed to let Marc Bartra return to LaLiga after a difficult time in the Bundesliga.