India leg-spinner Yuzvendra Chahal took six wickets in the first innings for Northamptonshire against Derbyshire in the County Championship Division Two clash. Chahal's 6-118 from 33.2 overs are his best-ever figures in the tournament. His previous best (5-45) also came against Derbyshire, last season. He now has 10 wickets at 47.30 from three matches this season.