Athletics manager Bob Melvin said Wednesday that "there's a chance" Eric O'Flaherty (elbow) will be activated from the disabled list on Thursday. Working his way back from Tommy John surgery, O'Flaherty has posted a 3.86 ERA with eight strikeouts over 9 1/3 innings during his rehab assignment. He would be a nice addition to the big club's bullpen if he has regained pre-surgery form. The A's begin a six-game homestand on Thursday.