Oakland A's trade Sean Doolittle & Ryan Madson to Nationals for Blake Treinen & 2 prospects - Athletics Nation
Potential Twins Bullpen Target: Sean Doolittle, LHP, Nationals - Twins - Twins Daily
Game #155 Nats looking for a bounceback win
Sean Doolittle: Nationals pitcher declines White House visit, Washington Post reports
Bowden: Five trades that American League contenders should make - The Athletic
I just can't do it': Nationals pitcher Sean Doolittle declines White House invite, Washington Nationals
Sean Doolittle excited to return to Nationals in 2023
Championship calibration or recalibration?
2018 Oakland Athletics Top 10 Prospects — College Baseball, MLB Draft, Prospects - Baseball America
Washington Nationals acquire Sean Doolittle and Ryan Madson from Oakland Athletics for Blake Treinen + prospects - Federal Baseball
Baseball America pre-season 2021 top-10 list reactions at Nationals Arm Race
Re-Drafting Yordan Alvarez and the 2016 MLB Draft Including International Prospects, News, Scores, Highlights, Stats, and Rumors
Washinton Nationals' Sean Doolittle back with something to prove, and velocity that was not there in 2020 - Federal Baseball
Saying Good to go should not be enough to pitch Sean Doolittle