The Waterloo Bucks open the Northwoods League season at home against Thunder Bay tonight and will be without manager Andy Haines. The N-C-A-A tournament is the reason. Haines is an assistant coach at Middle Tennessee State University and the Blue Raiders play in a N-C-A-A regional in Athens, Georgia this weekend.Entering their tenth season the Bucks are under new ownership and general manager says they are ready. The Northwoods is a summer league for college players and sophomore pitcher Matt Lane from Iowa Western Community College says there has been a lot of work done at the stadium.Assistant coach Casey Hahn will serve as interim manager.