China's international midfielder Sun Jihai believes a new challenge on the English Championship side Sheffield United will help him kick off a new chapter in his career.

"I have been playing in the English Premier League for six years and there is nothing left for me there," the former Manchester City player said. "I am 31 and I hope I will have something new and challenging in the last years of my career (at Sheffield)."

The Blades announced on Wednesday that Sun had joined them from Manchester City