Muthiah Muralitharan said Sri Lankan coach Mickey Arthur should have stayed calm and conveyed his message to the new skipper.
Wicket-Keeper batsman, Perera suffered a right shoulder sprain during training, Sri Lanka Cricket said in a statement.
The team has not divulged the exact nature of the injury, nor withdrawn him officially, but a team doctor says he's likely to be out for six weeks, ESPN Cricinfo reported.
Several Sri Lankan cricketers had refused to sign a contract with the board due to a pay dispute after agreeing to play against England on tour contract.
It is now expected that the players would be allowed to enter the bio-bubble by Monday as they complete a week-long hard quarantine after their arrival from the United Kingdom.
Sri Lanka cricket is currently undergoing a difficult phase with problems both on and off the field. If one looks at their recent performances, it has been poor.
Kusal Mendis, Niroshan Dickwella and Danushka Gunathilaka were filmed by fans roaming the streets after a lost match despite restrictions on movement of players owing to the COVID-19 threat.
The situation arose after seven members of the England team including three players were found to be Covid positive on Tuesday soon after the limited-overs series with Sri Lanka.
Mathews, the seniormost among the current crop of players, and Test captain Dimuth Karunaratne found themselves excluded from the contracts that were offered on Wednesday morning.
The move comes after three England players and four members of the support staff tested positive for the virus after the last ODI against Sri Lanka in Bristol on Sunday.
SLC sources said the players are returning from the UK on Tuesday and they will be served with an July 8 deadline to sign the contracts.
SLC is confident that the success of the inaugural tournament has given it the ideal platform to conduct the upcoming edition with much vigor.
Sri Lanka had lost the ODI series against Bangladesh 2-1 in May with all the matches being played at the Sher-e-Bangla National Cricket Stadium.
The cricket board has cut fees for 24 national players by up to 40 percent in new performance-based contracts, which the players have rejected.
Earlier, Sri Lanka players made their viewpoint clear regarading the new players' contracts system and said that it is not transparent.