Ashish Nehra during a media interaction in a city hotel yesterday. Pic/Datta Kumbhar

Sunrisers Hyderabad bowling spearhead Ashish Nehra felt that despite few negatives, bowlers have evolved a lot over the last 10 seasons in the IPL. The left-arm pacer, who played for five different franchisees — Mumbai, Chennai, Delhi, Pune and Hyderabad said that batsmen are playing innovative shots so a bowler has to keep thinking constantly to get the better of him.