London: England fast bowlers Ajmal Shahzad and Chris Tremlett are flying back from Australia after being injured in the one-day series.
The 25-year-old Shahzad has been picked in the squad for the World Cup starting this month while Tremlett, 29, is viewed as cover for the 50-over tournament.
Spinner Graeme Swann (back injury) and all-rounder Tim Bresnan (calf problem) flew back from Australia last week.
Shahzad and Tremlett were sidelined on Wednesday when Australia went 5-1 up in the seven-match one-day series, reaching a target of 334 to beat England by two wickets in Sydney.