Sims (elbow) is expected to begin the regular season on the injured list, Bobby Nightengale of The Cincinnati Enquirer reports.
Sims threw a bullpen session Saturday, but he'll still likely begin the season on the injured list. He's expected to return by mid-to-late April, putting him on a similar trajectory to starter Luis Castillo (shoulder). In his absence, Hunter Strickland, Art Warren and Luis Cessa are all expected to receive save opportunities.