TORONTO — Oakland’s bullpen, a stable and experienced unit to start the season, is now a little on the mix-and-match side after Sean Doolittle and Ryan Madson were dealt to Washington this month.
One regular will return to the fold Thursday, when Ryan Dull comes off the disabled list after missing more than two months with a right knee strain. Dull, who had a strong first half last season, was 2-2 with a 6.32 ERA when he went on the DL, but batters were hitting .