Weaver announced his retirement Wednesday after spending 12 years in the majors.

Weaver (hip) is in San Diego working on his health, Dennis Lin of The San Diego Union-Tribune reports.

Weaver (hip) will begin a rehab assignment with Triple-A El Paso on Thursday, Dennis Lin of The San Diego Union-Tribune reports.

Weaver (hip) threw three innings in a simulated game Friday, Dennis Lin of The San Diego Union-Tribune reports.