VANCOUVER, July 6 : The ability of Colombia's players to adapt to different situations will be key when they take on Switzerland in their World Cup last-16 tie on Tuesday, coach Nestor Lorenzo said. Colombia have only conceded a single goal so far at the tournament, with Lorenzo making plenty of in-game tactical and positional shifts that have kept his charges on their toes. "I believe it is key for us to have those types of players, players who interpret the game with simplicity, and that they know how to behave. They grasp the game, they understand the game," Lorenzo told a press conference on Monday."On top of the fact that they have the physical and technical capacity that allows for improved versatility, they understand the game. They understand the different moments, and it enables t