Mikel John Obi has paid tribute to Chelsea owner Roman Abramovich.
The Russian billionaire celebrated his 50th birthday on Monday.
Obi tweeted:
Happy 50th birthday yesterday to Mr Abramovich. His ambition has taken Chelsea to the next level #CFCpic.twitter.com/IL8eVxNX2U — Mikel John Obi (@mikel_john_obi) October 25, 2016