 Complete the following phrase:  He is widely regarded as one of the greatest Italian football players of all time, and as one of the best players of his generation, due to his speed, work-rate, creativity, technical skills and eye for goal; he placed second in the 1971 Ballon dOr. Having spent his entire 17 season career with Inter, he holds the honour of being a one-club man. With the club, he won four Serie A titles 1963, 