The former Nationals reliever was a key part of the 2012 bullpen and will have a chance to compete for a spot in Los Angeles' bullpen.
Right-hander Ryan Mattheus, an extra reliever in the bullpen until a replacement starter for injured Gio Gonzalez was needed, is sent down to make room for Blake Treinen.
The rookie right-hander will make his first major league start on Tuesday.
The right-handed starter is expected to be sent down to Syracuse after a rough stint with the Nationals.
Ryan Mattheus will join the Nats, but it's unclear which reliever he will replace.
The right-hander isn't sure if he will have enough time to build up the arm strength to be ready for the season.
The right-handed reliever believes he has enough time to catch up after missing two weeks with a chest injury.
The right-handed starter played catch on Tuesday morning for the first time since feeling tightness in his elbow.
The right-handed starter who has been dealing with an inflamed elbow will resume throwing.
The right-hander will play catch on Tuesday for the first time in two weeks after dealing with chest inflammation.