[13] Nkrumah Bonner, Joshua Da Silva, Preston McSween, Shayne Moseley, Raymon Reifer and Jayden Seales were also named as reserves for the West Indies' Test squad.

[23] In November 2020, Roston Chase was named as the vice-captain of the West Indies' Test side, with Nicholas Pooran retaining his vice-captaincy role for the T20I matches.

[25] Southee, along with Kyle Jamieson and Ross Taylor were not included for the third T20I match to prepare for the Test series,[26] with Doug Bracewell, Mark Chapman and Scott Kuggeleijn added to New Zealand's squad for the third T20I.

[31] Ahead of the Test series, Devon Conway was added to New Zealand's squad,[32] covering for BJ Watling who suffered a hamstring injury.

[36] On 10 December 2020, it was announced that Kane Williamson would miss the second Test, due to the birth of his first child, with Tom Latham named as captain of the New Zealand team.