Marcano has hit the 10-day injured list while recovering from surgery to repair a torn right ACL. Team officials have not yet confirmed an exact return date.
Perdomo has been assigned to the 10-day injured list after undergoing surgery to repair a torn meniscus in his right knee, and he is expected to miss at least one month.
Kelly has wound up on the 60-day injured list with a teres major strain of his right shoulder, and he is expected to miss at least one month of action.