How long will A's be without Crisp?

Oakland's starting center fielder Coco Crisp missed his second-straight game on Wednesday with a bothersome left wrist, an injury he received a cortisone shot for on Sunday.

How much longer with the A"s be without their leadoff hitter, who just last week hit his first walk-off home run with a 12th inning blast against Seattle? Here's the latest.