Watch, Yuvraj Singh names top stars for 'Keep it Up" challenge

Yuvraj Singh took to social media on Thursday and nominated Sachin Tendulkar, Harbhajan Singh and Rohit Sharma for the "keep it up" challenge. In the video, Yuvraj Singh kept a ball bouncing on his bat as he nominated Sachin Tendulkar, Harbhajan Singh and Rohit Sharma to follow his actions. Cheekily, Yuvraj Singh mentioned that the challenge will be easy for batting legend Sachin Tendulkar, maybe easy for Rohit Sharma but not so easy for Harbhajan Singh.