Reports: Reds To Add Veteran Closer Sean Doolittle - Red Reporter
Sean Doolittle on traditional closer role
Mariners claim Sean Doolittle off waivers from Reds
The Yankees are better off without a traditional closer
Doolittle announces retirement after 11 MLB seasons - Blog
Nationals attempt to fix bullpen by acquiring Doolittle and Madson - ESPN - Stats & Info- ESPN
Nationals closer defends rejecting White House invite: I just can't do it
Doolittle limits damage for save, Nats split DH with Mets
Washington Nationals: Sean Doolittle kicked to the curb by Reds
National treasure: Shawnee grad Doolittle continues to thrive in big leagues - The Sun Newspapers
Baseball pitcher Sean Doolittle to skip White House over 'divisive' Trump
The Mets own Nationals closer Sean Doolittle this season
Reports: Sean Doolittle agrees to deal with Cincinnati Reds
What to do with Doo? Washington Nationals' closer Sean Doolittle lands on IL; how will he be handled when he's back? - Federal Baseball
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - NBC Sports