Nats get Madson, Doolittle from A's for Treinen, prospects - WTOP News
Official Washington Nationals Website
Nationals sign reliever Fernando Rodney to a minor league deal - The Washington Post
Sean Doolittle hits the mark with criticisms of broken MLB free agency - Federal Baseball
Sean Doolittle - Wikipedia
Washington Nationals News: Nationals keep on building for 2021; Nats blast MASN changes + more Nats links - Federal Baseball
Sean Doolittle, Aníbal Sánchez deal with Nationals
Sean Doolittle: Player News - NBC Sports
Nationals ownership nixes $100 weekly minor-league pay cut after public shaming
Update: Nationals Decide Not To Cut Minor League Players' Stipend After All
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
Sean Doolittle retires