Relegation-threatened Livorno have sacked Domenico Di Carlo after just 88 days in charge and re-appointed Davide Nicola.
Virgil van Dijk claims he knows nothing of interest from English clubs and is keen to prove himself in the Champions League with Celtic.
Arsenal left-back Andre Santos has joined Brazilian side Flamengo in a permanent deal, the Barclays Premier League club have announced on their website.
The 30-year-old Brazil international returns to the club where he had a short period on loan earlier in his career after spending two seasons with Arsenal.
He joined the Gunners from Turkish side Fenerbahce in August 2011 and made 33 appearances in total with Arsene Wenger's side.