Shortly after the All-Star break, the Dodgers appeared to need a massive roster overhaul, as they were double digits under .500 and double digits out of first place. The late-season revival, led by a number of young players with cheap salaries, has GM Ned Colletti believing the Dodgers are close to the playoffs and now only need slight tinkering.ARRIVAL: C Matt Treanor (free agent from Royals), 2B Mark Ellis (free agent from Rockies).DEPARTURES: RHP Jonathan Broxton (free agent, signed with Royals), INF Jamey Carroll (free agent, signed with Twins), C Rod Barajas (free agent, signed with Pirates).BIGGEST NEEDS: Another bat in the middle of the lineup. Free agent 1B Prince Fielder would be perfect, yet very expensive. If RHP Hiroki Kuroda returns to Japan, a No. 2 or 3 starting pitcher will be needed to replace him.FREE AGENTS: C Rod Barajas, INF Aaron Miles, INF Jamey Carroll, 3B Casey Blake, RHP Hiroki Kuroda, RHP Jon Garland, RHP Vicente Padilla, RHP Mike MacDougal.Colletti would like to bring back Barajas, but it will have to be at the right price. Miles and Carroll were quality veteran leaders who played more (and better) than expected, but only one is needed when rookie...