Dier has blossomed in midfield after Tottenham coach Mauricio Pochettino converted him from a centre-back at White Hart lane.
The 35-year-old won the club's player of the year award after a fine season.
Newcastle United are set to invest heavily in their squad over the summer.
Benitez has signed a new three-year deal at Newcastle United.
The Blackburn star won more headers in the Championship than any other defender in 2015-16.
Laurent Koscielny is set to be named as Arsenal captain, according to reports.
Leeds have been linked with fellow League Two promoted boss Darrell Clarke.
The Welshman takes on Atletico Madrid with his Real Madrid side this weekend.
Glasgow Rangers are still in the race to sign Niko Kranjcar, but others clubs have now made offers.
The Germany boss says the Bayern Munich midfielder was convinced to stay after discussions with incoming manager Carlo Ancelotti.