Sean Doolittle - Oakland Athletics Pitcher
Vesting option could allow Washington Nationals' closer Sean Doolittle to become a free agent after this season - Federal Baseball
Nationals' Sean Doolittle Declines Trump White House Visit
Sean Doolittle - Baseball Stats - The Baseball Cube
Sean Doolittle Stats, Fantasy & News
Reliever Sean Doolittle announces MLB retirement after 11 seasons – NBC Sports Bay Area & California
Sean Doolittle: Player News - NBC Sports
Washington Nationals re-sign Sean Doolittle to minor league deal; decline 2023 option for Nelson Cruz - Federal Baseball
Sean Doolittle retires
Washington's first World Series berth 85 years in the making
Sean Doolittle returns to Nationals Park as a Cincinnati Red - The Washington Post