Requirements
a) Bats long enough to score a 100, so ideally Top 3, Number 4 the lowest.
b) Destructive ability
c) Highly skilled
d) Good concentration
d) Good fitness
Therefore, I'd go with either Dilshan, Duminy, Gambhir, Smith, Watson, Afridi (On a good day as a pinch-hitter...), or Gayle.