A mass of roster moves by Dodgers management this year has the side benefit of keeping Minor Leaguers on their toes, because in this organization you never know when you'll get the call. Non-roster players like Rob Segedin can spend the first half of his first season getting passed over by other Triple-A infielders like Charlie Culberson and Chris Taylor and not feel hopelessly buried. Segedin kept to the task and finally got the call Aug. 7.