batsman bailey , who will also be available in the royal london cup , has signed a deal to take over from sri lanka great mahela jayawardene - who will be sussex 's overseas player for their first seven blast group fixtures .
bailey , 32 , has captained his country in both limited-overs formats - including in the champions ' world cup group match victory over england this year - and previously played for hampshire .
george bailey -lrb- left -rrb- will play the second half of the natwest t20 blast for sussex .