Chennai: Chennai Super Kings skipper Mahendra Singh Dhoni defended his his decision of not using Ravichandran Ashwin in the 12-run win over Rajasthan Royals here, saying he did not feel the necessity of using the off-spinner today.

Brendon McCullum struck a quickfire fifty before Ravindra Jadeja produced a brilliant spell of 4-11 to help Chennai beat Rajasthan by 12 runs and virtually secure its place in the play-offs of the Indian Premier League.