Mumbai (Maharashtra) [India], May 3 (ANI): Ahead of his side's Indian Premier League (IPL) match against Mumbai Indians (MI), Kolkata Knight Riders (KKR) assistant coach Abhishek Nayar hailed skipper Shreyas Iyer for his mental strength and positive approach to life despite some ups and downs during the past few months, which include an all-time great campaign in ICC Cricket World Cup at home, back injuries, losing his Te
