Chelsea couldn't believe that Arsenal were so eager to sign David Luiz in the last transfer window, according to Tony Cascarino.
Luiz's second spell at Stamford Bridge came to end on August 8 when he completed an £8 million ($11m) switch to Emirates Stadium.
The Brazilian has always been error-prone, but his final year at Chelsea was arguably his worst yet, and Frank Lampard made it clear that he would not be in his plans for the 2019-20 campaign.
Editors' Picks
Arsenal might have hoped that a Champions League winner with bags of experience would help solve their defensive issues, but he has so far failed to endear himself to the Emirates Stadium faithful.