I do believe most of the biopics do depict the stories of the sports stars, their triumphs and struggles, which the common man is unaware of. Yes, to some degree, Bollywood does a great job of exaggerating or undermining few real life incidents and adding the necessary ‘masala’ to ensure commercial success.
Some of the biopics that were not only commercially successful but also turned out to be inspiring stories - Mary Kom, Dangal, M.S. Dhoni: The Untold Story, Bhaag Milkha Bhaag.
However, I do find it amusing when biopics are discussed of players who are still competing and yet to reach the legendary status. It just seems pre-mature to even talk about creating biopics at this stage.
I personally would want to see a biopic on Dhyan Chand being made in the back drop of Pre and Post-Independence era.
There is one new biopic on Kapil Dev to be released sometime. It will be interesting to see how this movie measures up.