If Eric Chavez can perform better in a January 20 workout than, say, Chien-Ming Wang in a parking lot, the Dodgers might have a new part-time third baseman.Susan Slusser of the San Francisco Chronicle reported the scheduled workout:Chavez has been working out at the Athletes' Performance center in Arizona five days a week and he said that after three-plus years of injury problems, he is feeling good, he's taking grounders at third and his problematic right shoulder, operated on twice, is much better."The throwing has been unreal," he said in a text. "I need to see live pitching to judge the hitting accurately, but things look good."Chavez probably would be signed to a non-guaranteed deal, given his history, but the Dodgers are believed to have strong interest if his health checks o