Astros outfielder J.D. Martinez, who sprained his wrist July 26 and is on the disabled list, does not currently have a timetable to return to the lineup, MLB.com reports.

Manager Bo Porter said Martinez will do rehab work in Houston, but it is uncertain whether or not he'll need a minor league rehab assignment.

"I haven't had time to sit down with [trainer] Nate [Lucero} and map out his progress, but I know J.D.'s working hard and he'll be around the park while we're here," Porter said.

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