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Padres left-hander Cory Luebke will begin a rehab assignment with High Single-A Lake Elsinore on Saturday. (AP Photo/Ben Margot) / AP
Padres left-hander Cory Luebke will begin a rehab assignment with High Single-A Lake Elsinore on Saturday, the latest, most significant step in his road back from consecutive Tommy John surgeries.
Luebke, who threw one inning Monday against the Rangers' AZL team in Surprise, Ariz.