The Championship side came out on top against Serie A side Atalanta at Elland Road.
The Arsenal manager is well known for favouring developing young talent.
Liverpool lost 2-1 to AS Roma in St. Louis this week.
Pablo Hernandez has reunited with Garry Monk at Leeds United.
West Ham United are on the lookout for a new left-back.
Moussa Dembele seems to be struggling at Celtic so far.
David Moyes has already expressed a desire to help Sunderland move into the top 10 of the Premier League.
Arsenal fans have had to put up with a fairly underwhelming summer once again.
The midfielder is a major doubt for the Scottish Premiership side's Champions League clash.
West Ham are reportedly keen on Palermo star Achraf Lazaar.