The fee for Thiago Spain international, 29, could eventually rise to £25m with bonuses.
Thiago won La Liga twice with Barcelona before a 2013 move to Bayern Munich, where he won the Bundesliga seven times.
The fee for Thiago Spain international, 29, could eventually rise to £25m with bonuses.
Thiago won La Liga twice with Barcelona before a 2013 move to Bayern Munich, where he won the Bundesliga seven times.
