South Africa skipper AB de Villiers said his batsmen will put Sri Lanka's magician spinner Ajantha Mendis under pressure when the two teams meet in a group C match here today Mendis, 27, sounded a warning to all batsmen by picking up 6-8 ufffdthe best figures in all Twenty20 cricket ufffdto crush Zimbabwe in the opening match of the World Twenty20 on Tuesday and promises further destruction.