Entering their first offseason in years without former vice president and assistant general manager Kim Ng to rely upon, the Dodgers have named Alex Tamin director of baseball contracts, research and operations.Tamin, who has spent more than 15 years in MLB player salary arbitration cases and contract negotiations, will be Colletti's point person in those areas. He has also had a commercial litigation practice."After working for the Dodgers from the outside for the past decade and knowing their history as one of the most storied franchises in baseball, I am looking forward to the opportunity to contribute to the Dodgers' continued success," Tamin said in a statement.With Ng, the Dodgers had a nearly impeccable record in avoiding arbitration hearings and winning them when they did o