Roberto Clemente Award nominees
Peter Dreier, Robert Elias - Baseball Rebels - The Players, People, and Social Movements That Shook Up The Game and Changed America-University of Nebraska Press (2022), PDF, American Civil War
Sean Doolittle retires after path led to All-Star, World Series honors
Reliever Sean Doolittle announces MLB retirement after 11 seasons – NBC Sports Bay Area & California
Whether on the mound or for refugees in need, relief is a calling for the A's' Sean Doolittle - Los Angeles Times
Sean Doolittle, Eireann Dolan on D.C
Nationals closer Sean Doolittle says he won't join team's White House visit
May the Doo be with you - Athletics Nation
Sean Doolittle, Baseball's Left-Wing Lefty, Retires