The pace duo shared four wickets between themselves as India humbled Ireland by eight wickets in their previous league encounter to register nine consecutive World Cup wins and also confirm their top spot going into the quarter-finals.
India have also had the distinction of bowling their opponents out in all the five outings and Akhtar is all praise for the pace duo's contribution.
Shami, who picked three wickets in Hamilton to restrict the Irish side to 259 all out, has bagged 12 wickets from four matches in the tournament so far. Umesh, on the other hand, has bagged seven scalps from five games and has exuded confidence and pace in his bowling so far.
"It is truly a joy to watch them bowl so beautifully and enjoy their cricket," the Rawalpindi Express said.