Elsewhere, Burnley's hopes of Premier League survival were dashed as they suffered a 2-1 defeat against Tottenham Hotspur, sealing their fate of playing Championship football next season.
Won 1-0. Newcastle sat back. Won 1-0. There's something missing. Chelsea don't have the guile and they don't have a world class finisher. 'Now that Tammy Abraham is injured they need one.
After being held to a 1-1 draw away in Germany, Pep Guardiola's side equalled their biggest ever European win with a 7-0 victory on the night to seal an emphatic 8-1 aggregate win.
'But I think on the end we got what we wanted and in the end it is 1-4. We played really well from the beginning of the season, we deserve more but in the end, if you see the table, we are in the middle.
Football Transfers, however, reports that The Blues are making a shocking move to seal a deal with the Barcelona attacker, who has a €50 million release clause in his contract.
Strengthening Arsenal's forward line represents a priority for Mikel Arteta and Arsenal's technical director, Edu, this summer after the north London club fell just short of qualifying for next season's Champions League.
With Paul Pogba out injured, and a number of other high profile stars unavailable for selection, Ole Gunnar Solskjaer was desperate to seal the move before the close of the transfer window.