Manchester City’s director of football Txiki Begiristain has paid tribute to the “inspirational” Ilkay Gündogan after the midfielder’s long-expected free transfer to Barcelona was confirmed. The treble-winning captain turned down the chance to stay at City and will join Barça, who have set his buyout clause at €400m (£342m), until 2025 following the expiration of his existing contract. Gündogan, who was manager Pep Guardiola’s first signing in July 2016, signed off in style by lifting the Champions League earlier this month after victory