The Windies are without Darren Sammy, who has lost the captaincy as well as his spot in the one-day international side, while Kieron Pollard has been picked in his place.
After captain Dwayne Bravo won the toss, he said: "We want to bowl first and get the nerves out of the way. The wicket is good so we want to give the bowlers the best use of the freshness."
Meanwhile, Saeed Ajmal, Shoab Malik and Mohammad Hafeez have been chosen as Pakistan s spinners for today s Group B encounter.
Pakistan: Farhat, Jamshed, Hafeez, Shafiq, Misbah, Malik, Akmal, Ajmal, Wahab, Junaid, Irfan
West Indies: Gayle, Charles, DM Bravo, Samuels, Sarwan, DJ Bravo, Pollard, Ramdin, Narine, Roach, Rampaul