Ryan Wallace Zimmerman (born September 28, 1984) is a Major League Baseball third baseman with the Washington Nationals. A 6-foot 3-inch player from the University of Virginia and Kellam High School, Zimmerman has been a member of the Nationals since his debut on September 1, 2005. Zimmerman now has a five-year, $45 million contract, the largest guaranteed deal in franchise history of the Nationals until Jayson Werth was signed in 2010.
Zimmerman's mother Cheryl was diagnosed with multiple sclerosis in 1995, and has needed to use a wheelchair since 2000. Zimmerman has cited his mother's condition as a substantial formative influence on his development, saying that it forced him to grow up and assume responsibilities at an earlier age than most children. He also founded the ziMS Foundation.
A three-year starting shortstop for the Virginia Cavaliers in the Atlantic Coast Conference, Zimmerman started in all 174 games he appeared in, and his collegiate career statistics include 250 hits, 140 RBIs, 128 runs, 47 doubles, seven triples and nine home runs. He was successful on 32 of 39 stolen base attempts. His career totals are among the top ten in Virginia statistical categories for doubles (5th), hits (6th) and RBI (7th). Zimmerman established the school record of hits in a season with 90 in 2004, breaking his own record with 92 in 2005.