#WhiteSox Prospect zack_collins_ working on his receiving skills this morning at #TheGrindHouse pic.twitter.com/nMWXJcxm21— Grind House (@GrindHouseBSB) December 21, 2017
#WhiteSox Prospect zack_collins_ working on his receiving skills this morning at #TheGrindHouse pic.twitter.com/nMWXJcxm21