MS Dhoni retired from Test cricket in 2014, midway through India's tour of Australia, and later retired from ODIs and T20Is in 2019/2020. In which format did he continue playing for Chennai Super Kings the longest?

Answer Explanation

MS Dhoni retired from Test cricket in December 2014 and from international ODIs/T20Is via a social media post in August 2020, but continued playing IPL T20 cricket for Chennai Super Kings well beyond that.