Tradition Field is more than 1,000 miles from Shea Stadium, but watching Pedro Martinez warm up on its mound made it seem a whole lot closer. Seeing him get roughed up in his first rehab start removed that illusion quickly. The three-time Cy Young Award winner went three innings for Single-A St. Lucie in a Florida State League game last night against Lakeland and was knocked around for five runs on six hits. Two Lakeland hitters, Justin Justice and Diek Scram, hit home runs off the Mets' ace-in-exile. "Those kids kept it real for me," Martinez said.