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 Cubs are reportedly calling up highly-touted hitting prospect Moises Ballesteros after sending Ian Happ to the IL for his oblique injury. According to insider Bruce Levine, Ballesteros will likely be in the starting lineup Tuesday night against the Marlins.

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.