Sarfaraz Ahmed announced his comeback with a gritty century as Pakistan managed to draw the second Test match on Day 4 vs New Zealand, in Karachi on Friday. Shahid Afridi spoke about Sarfaraz Ahmed and Mohammad Rizwan's wicketkeeping roles for Pakistan. Sarfaraz, who filled in as his side's wicketkeeper-batter instead of Mohammad Rizwan, will be hoping to grab a spot …