He told Foot Mercato: "I do not know and I would never know it to tell the truth. Suddenly I decided to leave because in front of me there was Dani Alves and Martin Montoya and I saw that the position was blocked.
"So I decided to leave and try my luck elsewhere."
The Spaniard, 25, signed for Metz on a two-year deal in July 2015.
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