Five other non-roster invitees were assigned to Minor League camp besides Hatley. They were right-hander Carlos Pimentel, left-hander Eric Jokisch, infielders Kris Bryant and Jeudy Valdez and outfielder Albert Almora.
The Cubs' spring roster currently consists of 27 pitchers (seven non-roster invitees), five catchers (three non-roster invitees), 11 infielders (four non-roster invitees) and 11 outfielders (five non-roster invitees).
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat. This story was not subject to the approval of Major League Baseball or its clubs.