You wouldn't believe how guys here in Croatia are happy that Strinić has been dropped, although he is the best left-back we have. He is, in my opinion, very underrated player, mostly because of not so convincing displays in his younger days when he was in Hajduk. But he, at least in my opinion, has improved massively in Dnipro.
The most obvious one for left-back now is Pranjić even though he is actually a winger. He is good, especially on offensive, at left-back, but not so good defensively. Some rumors in our press are that Kovač plans to use Ćorluka on left-back, but that is mostly because he played great in one game he played there, in 3-0 victory against Turkey in Istanbul in Euro 2012 playoffs.