Alex Tudor and Pedro Collins have both been released by Surrey but eight others have received new contracts.
Former England seamer Alex Tudor has signed a one-year deal to return to Surrey.
Essex have agreed to release former England fast bowler Alex Tudor, who is now hoping to go on loan to another county.
Tri-Series in Australia 2015
Australia and New Zealand will co-host the 2015 Cricket World Cup from February - here's a taster of what's in store.
England's World Cup opponents will not relish the return of fit-again James Anderson, says Nick Knight.
Bob Willis says AB de Villiers could well be the best batsman of all time after blasting a record ODI ton off 31 balls.
As England fly off to Australia, Nasser Hussain explains why 2015 is a year to savour...
Benedict Bermange brings you the quirkiest stats of 2014, plus England's record for the year.
Sky Sports' cricket experts have picked their favourite hundreds from previous World Cups. Do you agree with their choices?