Manchester City have 2.5 million followers on Sina Weibo

"Manchester City already displays live Twitter feeds on screens inside and outside the stadium. And with 2.5m Weibo followers, they are doing a good job of tapping into the Chinese football market. “Today, we’ve gained 17,000 new Weibo followers in the past six hours,” [Russell] Stopford says proudly."

Source:  Financial Times, 24th November 2012
Note - this compares to 600,000 followers on Twitter and 3.8m Likes on Facebook (26/11/12)