Marcano (knee) has been taking groundballs as he begins to ramp up his baseball activities, per MLB.com.

Marcano (knee) took live at-bats against Joe Musgrove on Saturday, Jeff Sanders of The San Diego Union-Tribune reports.

San Diego claimed Marcano (knee) off waivers from the Pirates on Thursday.

Marcano underwent surgery Wednesday to repair the torn ACL in his right knee, Justice delos Santos of MLB.com reports.

Pirates director of sports medicine Todd Tomczyk confirmed Wednesday that Marcano will undergo season-ending surgery to repair a torn ACL in his right knee, Kevin Gorman of TribLive.com reports.

Marcano said Sunday that he will likely require surgery to address ligament damage in his right knee, Andrew Destin of the Pittsburgh Post-Gazette reports.

Pittsburgh placed Marcano on the 60-day injured list Tuesday with a right knee ligament injury, Justice delos Santos of MLB.com reports.

Marcano will start at shortstop and bat seventh Wednesday against the Guardians.

Marcano will start at shortstop and bat seventh in Sunday's game against the Brewers.

Marcano is out of the lineup for Thursday's game against the Padres.