Reds sent RHP Jose Arredondo outright to Triple-A Louisville.
Cesar Izturis, Manny Parra and Alfredo Simon are expected to make the Reds' Opening Day roster.
Jose Arredondo's new two-year contract extension with the Reds is worth a total of $2 million.
The Reds and RHP Jose Arredondo avoided arbitration by agreeing to a two-year contract.
Jose Arredondo requested $875,000 and was offered $725,000 by the Reds when arbitration figures were exchanged Tuesday.
Jon Heyman of CBS Sports reports that the Reds and Jose Arredondo are close to agreeing on a two-year contract.
Reds activated RHP Jose Arredondo from the 15-day disabled list.
Jose Arredondo (forearm) threw a successful bullpen session Sunday at about 80 percent intensity.
Reds placed RHP Jose Arredondo on the 15-day disabled list with a strained right forearm.
Jose Arredondo's rehab assignment ends Wednesday.
Jose Arredondo (shoulder) will resume his minor league rehab assignment with Triple-A Louisville.
Jose Arredondo is expected to spend a whole 30 days on a minor league rehab assignment.
Jose Arredondo (shoulder) threw a perfect rehab inning Monday at Single-A Carolina.