The England squad has seen seven coronavirus positive members and that has impacted their series against Pakistan.
Rohit Sharma became the first batsman to hit five centuries in one edition of the ICC World Cup in 2019.
West Indies will be playing a total of 15 Twenty20 Internationals ahead of the ICC World T20 in 2021 in UAE.
Aaron Finch registered the highest score in international Twenty20 cricket when he blasted 172 against Zimbabwe in Harare in 2018.
West Indies players Chinelle Henry and Chidean Nation collapsed on the field during the second T20I against Pakistan.
Rizwan has been rewarded for his consistent performance across all formats by moving him from Category B to Category A.
Fazal Mahmood was the star in Pakistan's start in Test cricket as he ended with over 100 wickets at an average of less than 25.
Sri Lanka have suspended three players and sent them back home from the England tour after breaching coronavirus protocols.
That England have a problem of plenty when it comes to spots in their T20I squad, is well documented.
The side's below-par performances in the recent past are likely the reason why he is resigning ahead of his contract.