Cotham retired from baseball Thursday.

Cotham was outrighted to Triple-A Louisville on Friday.

Cotham (knee) was activated from the 60-day disabled list Thursday.

Cotham had surgery on his right knee Tuesday, and the procedure repaired a torn meniscus and microfractures in there, Zach Buchanan from the Cincinnati Enquirer reports.

Cotham will undergo knee surgery and is expected to be out five-to-six months, Zach Buchanan of the Cincinnati Enquirer reports.

Cotham (shoulder) was transferred to the 60-day disabled list Thursday.

Cotham (shoulder) is set to begin a rehab assignment Thursday with Double-A Pensacola, Mark Sheldon of MLB.com reports.

Cotham (shoulder) had a successful throwing session Saturday, the Cincinnati Enquirer reports.

Cotham was placed on the 15-day DL on Tuesday, Mark Sheldon of MLB.com reports.

Cotham surrendered two runs on two hits and a walk over 1.2 innings in Monday's 15-6 loss to the Indians.