Nationals left-handed pitcher Sean Doolittle opts for season

Nationals' lefty Sean Doolittle to undergo season-ending elbow surgery - NBC Sports

Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - WTOP News

Sean Doolittle signs minor-league deal to stay with Nationals - Washington Times

Washington Nationals' Sean Doolittle set for elbow surgery; season over - ESPN

Nationals left-handed pitcher Sean Doolittle opts for season-ending UCL procedure

Sean Doolittle Announces Retirement - MLB Trade Rumors

Beloved relief pitcher Sean Doolittle is back with the Washington Nationals

Washington Nationals closer Sean Doolittle on DL; will miss All-Star Game

Nationals acquire Ryan Madson, Sean Doolittle from A's

Sean Doolittle Returning To Washington Nationals

Off the wire

How Nationals closer Sean Doolittle became a dominant one-pitch reliever - The Washington Post

Washington Nationals pitcher Sean Doolittle to join Cincinnati Reds - The Washington Post

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