After virtually sealing a play-off berth in the Indian Premier League (IPL), Chennai Super Kings' skipper Mahendra Singh Dhoni revealed the reason behind making too many changes in every game.

In the game against Royal Challengers Bangalore (RCB)on Saturday, Chennai made a heavy weather of a small total before captain Mahendra Singh Dhoni did his famous finishing act to beat the visitors by six wickets.

The win also lifted Chennai to top spot in the league points-table with seven wins from 10 games and 14 points in their kitty.

However, skipper Dhoni feels his side is yet to find out a death over specialist.

Speaking at the post-match presentation, the Chennai skipper said: 'We were worried about the bowling department, in the last few games, there's no one individual who has come up and owned that place, especially someone who can bowl in the death overs.'

'The good thing is we have a lot of all-rounders, we need to know who is our death bowling option going ahead, that's what we are worried about. That's the reason for so many changes in the team for every game,' Dhoni added.

Hailing left-arm spinner Ravindra Jadeja for his impressive figures of 3/18 in four overs against Bangalore, the Ranchi stumper said: 'Jadeja bowled very well, he was maneuvering his pace, bowled with a flatter trajectory.'.