Guangzhou Evergrande face their biggest test yet in the Chinese Super League when they meet second-placed Shandong Luneng.
The big-spending outfit are three points clear at the top after winning 10 of their first 11 games, drawing the other.
Shandong Luneng are the only side to have stayed in touch, and they are sure to challenge Evergrande at Tianhe Stadium on Saturday.
Marcello Lippi's men have both the league's best attack and defence and will go into the clash as favourites.
With 15 goals, Brazilian Elkeson is well clear as the top scorer in China, but he is supported by several international stars and members of the Chinese national team.
Gao Lin, Lucas Barrios and Dario Conca, as well as Muriqui, are among those in the star-studded Evergrande squad.
Shandong Luneng have a formidable strike force of their own, including Han Peng and Wang Yongpo (seven goals each this season).
Beijing Guoan host Liaoning Whowin in an important clash between the teams placed sixth and fifth respectively.
Both teams harbour hopes of qualifying for next season's AFC Champions League and need to avoid a loss in the clash.
Frederic Kanoute has scored five times for Beijing, and the former Sevilla striker needs to put in a strong display if his team are to be successful.
Guizhou Renhe will be looking to return to winning ways when they host Shanghai Shenhua, while Qingdao Jonoon visit lowly Wuhan Zall.
Changchun Yatai could move out of the relegation zone with a win at home to Guangzhou R&F, who have won two of their past three.
Bottom side Tianjin Teda desperately need a victory when they visit Dalian Aerbin, who are winless in their past four and have lost three of those encounters.
Hangzhou are looking to respond to consecutive losses at Jiangsu Sainty, while Shanghai Shenxin and Shanghai SIPG do battle in the only Sunday game.