Washington Nationals' Sean Doolittle on MLB's 2020 season; decreased velo + more - Federal Baseball
Reliever Sean Doolittle announces MLB retirement after 11 seasons – NBC Sports Bay Area & California
Sean Doolittle Announces Retirement as Major League Pitcher after 11-Year Career - Breaking Latest News
All-Star reliever Sean Doolittle retires after 11 seasons - Field Level Media - Professional sports content solutions
Sean Doolittle retires from MLB
Sean Doolittle retires from MLB
Nationals Re-Sign Sean Doolittle To Minor League Contract - MLB Trade Rumors
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors – KION546
Sean Doolittle on retirement, 09/22/2023
Former A's reliever Sean Doolittle returns to Coliseum: 'I grew up here, man
All-Star reliever Sean Doolittle retires after 11 seasons - Field Level Media - Professional sports content solutions