Pakistan, March 11 -- Karachi Kings were given a tough time before they managed to come out on top in their Pakistan Super League (PSL) clash against Quetta Gladiators at the National Stadium in Karachi here on Sunday. With this one-run victory, Karachi qualified for play-offs while Lahore Qalandars were eliminated from the race. Usman Shinwari took three wickets for only three runs in the final over to defend just five overs against Quetta in the must-win game. The Sarfraz Ahmad's team got restricted to 189-7 in their 20 overs. Shinwari's feat - 3-43 - overshadowed Quetta opener Ahmad Shahzad's brilliant 57-ball 99 studded with eight boundaries and five sixes. Ahmad fell a run short of the coveted three figures mark on the second ball of...