Nicholas Pooran admitted altering the condition of the ball for West Indies during the third ODI against Afghanistan.
Afghanistan came from 1-0 down to win the Twenty20 international series against West Indies, Rahmanullah Gurbaz starring with the bat.
All-rounder Karim Janat stole the show with incredible figures of 5-11 as Afghanistan made it 1-1 in the three-match T20 series.
Evin Lewis bludgeoned the Afghanistan attack as West Indies recorded an emphatic T20 victory to follow their ODI series triumph.
West Indies completed a 3-0 series whitewash over Afghanistan thanks to Shai Hope's seventh ODI century.
West Indies moved 2-0 up in their three-match ODI series with Afghanistan, with Roston Chase leading the way in Lucknow.
Roston Chase and Shai Hope put on a match-winning partnership of 163 to earn the praise of new West Indies captain Kieron Pollard.
Afghanistan suffered a batting collapse, slipping from 126-2 to 194 all out, as West Indies won the first match in their ODI series.
West Indies will face Afghanistan in a one-off Test in India next month, yet Darren Bravo will not feature after disappointing with the bat.