2020 MLB free agents who could re-sign
Exclusive: A's Super Scout (and Moneyball Bad Guy) Grady Fuson Gives the Lowdown on Life in Baseball and A's Prospects to Watch – A's Farm
A's All-Decade: Two MVP-level guys make for an impossible choice at third – Daily Democrat
Saying Good to go should not be enough to pitch Sean Doolittle
Oakland Athletics Should Not Give up on Doolittle
Sean Doolittle Announces Retirement - MLB Trade Rumors
Oakland A's — Sports — Section925
Jesse Chavez shines in A's 4-1 win against Angels
Washington Nationals: Sean Doolittle should worry about next contract
Sean Doolittle adds slider and changeup to repertoire
Sean Doolittle saves a World Series game - Athletics Nation
Sean Doolittle, Athletics Agree to Five-Year Extension: Reactions - MLB Daily Dish
Sean Doolittle Announces Retirement - MLB Trade Rumors
Nationals Acquire Sean Doolittle, Ryan Madson - MLB Trade Rumors
Nationals' Sean Doolittle skipping White House event