St Lucia: Pakistan completed a clean sweep over the West Indies when they won the third and last one-day international at St Lucia by 22 runs.With the series having already been lost, West Indies seemed only to be playing for pride. Pakistan on the other hand were looking for their first series sweep in the Windies. The visitors made their intentions clear from the start as Shahid Afridi belted two sixes early on.Solid startThe opening pair put on 87 runs in the first 11 overs before Afridi finally fell for 56. Yasir Hameed, who had a minor contribution in the partnership, followed him 20 runs later for 41.The West Indies, though, failed to build on those successes as Bazid Khan nudged his way to his first one-day 50.Bazid put on a 96 run partnership with Yousuf Youhana, which formed the basis of Pakistan's innings. A healthy contribution also came from Vice-Captain Younis Khan who made 40.With Afridi having lit up the ground at the start of play, it was the turn of keeper Kamran Akmal to do the same at the end of the innings. Three sixes off the last three balls took the visitors to 303/6 - the highest score at St Lucia.Strong replyThe Windies began their reply on a strong note with the opening pair of Chris Gayle and Wavell Hinds putting on 90 runs for the opening wicket.Hindis fell for 35 and apart from Gayle, there were only minor contributions from others. Captain Shivnarine Chanderpaul made 33 runs.Razzaq picked up four wickets for 45 runs, while Rana Naved ul Hasan took 3 for 48. Pakistan won by 22 runs to complete the series sweep.