Sean Doolittle retires after 11 MLB seasons, leaving lasting

Reds Sign Sean Doolittle - MLB Trade Rumors

Sean Doolittle retires, his gratitude far outweighing any regret - The Washington Post

Sean Doolittle excited to return to Nationals in 2023

Elephant Rumblings: Brent Rooker finishing the season strong - Athletics Nation

All-Star reliever Sean Doolittle retires after 11 seasons - Field Level Media - Professional sports content solutions

Sean Doolittle - MLB Relief pitcher - News, Stats, Bio and more - The Athletic

Former Oakland A's, Washington Nationals reliever announces retirement

Sean Doolittle - MLB Relief pitcher - News, Stats, Bio and more - The Athletic

Sean Doolittle not afraid to stand up for what he believes - The Boston Globe

Washington Nationals: Ryan Zimmerman Leaves A Lasting Legacy In D.C.

Sean Doolittle: Nationals pitcher declines White House visit, Washington Post reports