sentences:  Achterberg became part of the giant-killing cup teams that defeated such opponents as Everton, Southampton and other big teams.However after refusing to sign a new contract he was dropped by John Aldridge for the 2000 Football League Cup Final and replaced by Joe Murphy.Achterberg's proficiency in goal was exemplified by the 20 clean sheets he kept during the 2003–04 season under the stewardship of Brian Little.