What to know about new Cincinnati Reds reliever Sean Doolittle

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

Sean Doolittle Announces Retirement - MLB Trade Rumors

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

Sean Doolittle - MLB News, Rumors, & Updates

Washington Nationals relief pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR

Off the wire

Reds aren't rebuilding, or even tanking. They're just slashing payroll, and this teardown feels personal - The Athletic

Cincinnati Reds: Predicting the bullpen after addition of Sean Doolittle

Mariners Claim LHP Sean Doolittle off Waivers from Cincinnati, by Mariners PR