Injured Athletics pitchers A.J. Griffin and Drew Pomeranz are both progressing in their respective rehab process.
Griffin will throw a simulated game on Thursday, per the MLB Network. Griffin, who is nursing an elbow injury, was a huge factor in the A's rotation during the 2012-13 seasons before the injury bug struck.
Pomeranz will throw off a mound on Thursday, after playing catch earilier in the week. He is on the 15-day DL with a shoulder injury. Pomeranz (2-3) has a 4.40 ERA in 43 innings this season.