Batista became aware of the plot while eavesdropping on fellow Evolution members and signed a contract guaranteeing him a match with World Champion Triple H at WrestleMania , thus leaving Evolution and officially turning face . Batista became aware of the plot while eavesdropping on fellow Evolution members and signed a contract guaranteeing him a match with World Champion Triple H at WrestleMania , thus leaving Evolution and officially turning into a fan favorite .