The Cubs plan to promote the organization’s No. 4 prospect Moises Ballesteros to the majors, with left fielder Ian Happ headed for the 10-day injured list with an oblique injury, a source confirmed. They will also have to make a move to clear a spot on the 40-man roster.

The Chicago Cubs will promote catching prospect Moisés Ballesteros ahead of Tuesday's game against the Miami Marlins, according to Bruce Levine of 670 The Score. In a corresponding move, the Cubs are expected to place outfielder Ian Happ on the injured list on account of an oblique injury that has sidelined him since May 9.