The 19-year-old, who is a right-sided defender by trade, starred for the west African nation during the tournament in Russia and scored in the 2-2 Group H draw against Japan.
Wague currently plies his trade with Belgian outfit Eupen in the Jupiler Pro League and has emerged as a top talent following a fine breakout year in 2017.
Barca have yet to table a bid for the teenager’s services but are believed to be at the front of the queue to sign him as a squad back-up.