Bubic (elbow) will begin a rehab assignment with the Royals' rookie-level Arizona Complex League affiliate on Tuesday, Anne Rogers of MLB.com reports.

EDGE Analysis

Bubic is working his way back from last April's Tommy John surgery and is finally ready to pitch in games again. It's possible he could be ready to rejoin the Kansas City rotation in early June after his 30-day rehab window expires, but Bubic has minor-league options left and could be sent to Triple-A Omaha if the Royals don't feel he's ready for big-league action once he's activated from the 60-day injured list.