Worcestershire have signed New Zealand batter Henry Nicholls for their next six County Championship matches.The 33-year-old left-hander has agreed a deal at New Road until the end of June and is set for his debut against Durham in the Pears' first home match of the season, starting on Friday."Henry is a proven performer at the highest level, and we're thrilled to have him with us for the next part of our Championship campaign," Worcestershire head coach Alan Richardson said."His experience, temp