Le Guen choosed to dropp in-form keeper Allan McGregor to make way for fit-again Letiz, before the match.
Graham Bayne scored the only goal of the match, as Inverness Caledonian Thistle defeated Rangers for the first time.
The Rangers fans made it clear, that they are not satisfied with the job manager Paul Le Guen is doing. The club is now 10 points behind rivals Celtic.