BANGOR – The Bangor Lumberjacks have signed lefthanded pitcher Isaac Pavlik to a contract for the 2004 season and placed righthander Jon Rohlfing on the inactive list with an undisclosed injury. Pavlik went 3-3 with a 4.94 ERA for Single A Visalia last year. The 2002 Colorado Rockies 10th round draft pick was released earlier this month.