LOS ANGELES >> The heavy lifting was done in December when the Dodgers were able to re-sign in-house free agents Kenley Jansen, Justin Turner and Rich Hill. Just this past week, the Dodgers' front office concluded their winter-long search for a second baseman when they traded for Logan Forsythe.That just leaves one thing to worry about - and it's the same thing Dodgers president of baseball operations Andrew Friedman says always worries him.