Pakistan opener Salman Butt has said that his side has the ability to defend their ICC World T20 Championship title starting on April 30 in the West Indies. According to Media Reports, Butt said the Pakistani squad has the potential to upset even the best teams in the world, but added that each player would have to give his best to help the team lift the coveted trophy for the second consecutive time. "We will go all out to retain the title and put our best for it. When I look at the Pakistan team, especially in this shortest format, I think anyone who plays to his full potential has the ability to single-handedly win the game for us on any given day," he underlined. The left-handed batsman pointed out that Pakistan shares a tough group with Australia, and every player would need to give more than 100 percent on the field. "Its going to be a tough tournament. Were in a difficult and tricky group with Australia, which is a very good side. In the shortest format, its hard to say who will do well as it is all bout who plays well on the day," Butt said.