FILE - In this March 3, 2009 photo, USA manager Davey Johnson watches warm up before a exhibition spring baseball game against the New York Yankees in Tampa, Fla. Johnson has joined the front office of the Washington Nationals on Wednesday, Nov 18, 2009. The 66-year-old Johnson will work as a senior adviser to general manager Mike Rizzo.

Jim Riggleman listens to a question during a news conference announcing his appointment as the manager for the Washington Nationals, Thursday, Nov. 12, 2009, in Washington.

Jim Riggleman listens to a question during a news conference announcing his appointment as the manager for the Washington Nationals, Thursday, Nov. 12, 2009, in Washington. Listening at left is team general manager Mike Rizzo.

Jim Riggleman, right, listens to a question during a news conference announcing his appointment as the manager for the Washington Nationals, Thursday, Nov. 12, 2009, in Washington. Listening at left is team general manager Mike Rizzo.

Jim Riggleman listens to a question during a news conference announcing his appointment as the manager for the Washington Nationals, Thursday, Nov. 12, 2009, in Washington.

Washington Nationals general manager Mike Rizzo announces the appointment of Jim Riggleman to the position of team manager, Thursday, Nov. 12, 2009, in Washington.

In this July 31, 2009, photo, Washington Nationals manager Jim Riggleman stands in the dugout during a baseball game against the Pittsburgh Pirates in Pittsburgh. Two people in baseball familiar with the Nationals' plans tell The Associated Press that Riggleman will be the team's manager next season. Both people spoke on condition of anonymity because no official announcement has been made. The team is planning a news conference for Thursday, Nov. 12.

FILE -- This is a July 26, 2009, file photo showing Washington Nationals third baseman Ryan Zimmerman(notes) making a play at third base against the San Diego Padres in the fourth inning of a baseball game in Washington. Zimmerman was honored Wednesday Nov. 11, 2009, with a Gold Glove for fielding excellence.