Pakistan won the six match series 3-2 with one game abandoned.
The chief selector also praised the performance of the young players.
Shehzad scores first century, first one-day series win since November, 2008.
Afridi hoped the winning momentum will continue as Pakistan gear up for the World Cup starting on February 19.
Ijaz Butt retains Afridi as captain after consulting management, coach and team.
Hafeez scores maiden ODI century. Afridi, Umar blast destructive 69-runs off 26 balls
Taylor to lead New Zealand in the third ODI.
Only 26 balls were bowled when poor weather forced the players back to the pavilion.
New Zealand end 11-match losing streak in emphatic fashion, crushing Pakistan in their first ODI.
Tourists draw second and final test to win the series against New Zealand.