White Sox instructor hit by line drive during BP

Sierra struck above right eye, taken to hospital

CLEVELAND -- White Sox pregame instructor Luis Sierra was struck by a line drive above the right eye during early batting practice Friday afternoon at Progressive Field. Sierra sustained two orbital fractures and a torn retina and will be staying overnight in a local hospital before having surgery on Saturday.

Sierra, who turned 28 on Thursday, played in the White Sox system from 2008-14. He joined the Major League staff prior to the 2015 season.

Scott Merkin is a reporter for MLB.com. Read his blog, Merk's Works, follow him on Twitter @scottmerkin and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.