New Delhi: Former India captain Anil Kumble. The born again believes. Rohit Sharma May cause trouble for the rest. IPLafter Mumbai Indians The opener announced his comeback in style with a match-winning innings against Kolkata Knight Riders.Rohit smashed 78 off just 38 balls to lead MI to a six-wicket win in their season opener at the Wankhede Stadium, ending their long-running jinx of losing the first match of the IPL campaign.Go beyond limits with our YouTube channel. Subscribe now!Kumble was particularly impressed with the authority and ease with which Rohit dominated the standard bowling and described it as a sign of a dangerous new phase in his career.“Rohit Sharma seems to be back in his 2.0 avatar, and his innings showed that he is ready to dominate again. The way he hit the ball around the ground reminded me of his prime,” Kumble said on Star Sports.The former India coach highlighted how Rohit made light work of a powerful spin attack. Sunil Narayan and Varun Chakraborty, with fast bowler Blessing Mazarabani.“It’s not easy to hit sixes against bowlers like Vern Chakraborty, Sunil Narine and Blessing Mazarabani, but he made it look easy. He has worked a lot on his fitness… When you come back after a short break, he takes time to find the rhythm,” noted Kumble.“It was a brilliant innings… The sixes looked easy, and even though the boundaries were short, the shots were going into the stands. This knock shows that Rohit means business and this version of him will trouble all IPL teams,” he added.KKR’s spin strategy under scrutinyWhile praising Rohit, Kumble also pointed out tactical mistakes by Kolkata Knight Riders, especially the underutilization of their key spinners.“KKR are relying heavily on Sunil Narine and Varun Chakraborty, and Narine didn’t even fulfill his quota, which was surprising. “The disappointing thing was that Ajinkya Rahane didn’t include him in the powerplay,” he said.According to Kumble, the delay in introducing Narine proved costly as the Mumbai openers had already taken control.He added that by the time Narayan came, the damage had already been done… They need to use their resources better.