You've got Konchesky haven't you?
In all seriousness have a look at Mattia Cassani, he is a consistant perfromer and can play left and right back.
please read what other people type, whats the point of repeating the same player more than once? (I was busy typing them out when about 4 memebers had answered already) thanksdiego renan can play left and right back
Gareth Bale.