The Oakland Athletics have activated closer Sean Doolittle from the 15-day disabled list ahead of a key three-game series against Seattle. Doolittle was reinstated before Friday night's series opener against the Mariners. Oakland's lead for the top AL wild-card spot was down to 1½ games. Read more http://espn.go.com/mlb/story/_/id/11515357/sean-doolittle-oakland-athletics-activated-disabled-list