Mikel i leave chelsea as a champion

You're referring to Mikel John Obi, the Nigerian professional footballer who played for Chelsea FC from 2006 to 2017.

Yes, Mikel did leave Chelsea as a champion, having won several titles with the club during his time there. Some of his notable achievements with Chelsea include:

Mikel was a key player for Chelsea during his time at the club, known for his versatility, vision, and passing ability. He made over 300 appearances for the Blues and scored 33 goals.