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04/11/12 8:02 PM ET

Agent: Storen had surgery to remove bone chip

NEW YORK -- Nationals closer Drew Storen had minor elbow surgery to remove a bone chip on Wednesday afternoon, according to his agent, Brodie Van Wagenen. Storen is expected to attend the home opener against the Reds on Thursday afternoon.

Storen is expected to make a complete recovery and return to action sometime before the All-Star break. General manager Mike Rizzo wasn't available for comment Wednesday.

Storen had a simulated game on Sunday in Florida and experienced pain soon thereafter. At first, manager Davey Johnson wasn't optimistic about when the team would see Storen on the mound again.

Prior to a simulated game, the last time Storen pitched was in early March. At that time, the team announced that he had "typical arm soreness." By the end of Spring Training, the team announced that he had inflammation in the elbow and was going on the disabled list, but would be back by the middle of April.

Storen would later see Dr. James Andrews before the team decided that Storen would have minor surgery.

With Storen out for a while, it means that Brad Lidge and Henry Rodriguez will split the closer role. Both players have one save entering Thursday's action.

Nats send Morse's test results to Dr. Andrews

NEW YORK -- The Nationals still didn't know how serious left fielder Michael Morse's injury was on Wednesday. The team sent Morse's test results to Dr. James Andrews, the same doctor who checked Drew Storen's elbow in Florida.

Morse suffered a setback Monday while playing for Class A Hagerstown, leaving the game in the seventh inning against Lexington because of a strained lat (back) muscle.

Morse can swing the bat without any problems, but he continues to feel discomfort while throwing the baseball. In fact, Morse had problems throwing the ball back to Hagerstown shortstop Jason Martinson in the game.

"Last I heard, we were sending the test to Andrews to see what his thought process is," manager Davey Johnson said Wednesday. "We should hear something today on Michael Morse."

Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also could be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.