Hull City have announced the club-record signing of goalkeeper Konstantinos Tzolakis. The 23-year-old has signed a five-year contract with the club, joining for a fee believed to be around £20m. "Hull City is something different because we are playing in the Premier League," Tzolakis said. I will give everything I have every single day in training to help our team to achieve its goals. I wanted to come to Hull City because the Premier League is the top stage."