"In his case, I think I stated in the beginning of his rehab process that he would get the full 20 days," Cashman said. "He's in the middle of his rehab process, and it's going to go all the way to the end. He's coming off a very complicated surgery.
"There's a reason he's in A ball, and there's a reason we were able to put Derek in Triple-A right from the start; because Derek was obviously much farther along than where Alex was. I think [Wednesday] was probably the best day of Alex's rehab, so far as reported to me by our people, but he'll take the full 20 days and that's where he's at."
Rodriguez was 1-for-3 with an RBI single as Tampa's designated hitter on Wednesday. He is 2-for-15 with a run, one RBI, a walk and a hit-by-pitch entering play on Thursday, having appeared at third base four times and DH twice.
Bryan Hoch is a reporter for MLB.com. Follow him on Twitter @bryanhoch and read his MLBlog, Bombers Beat. This story was not subject to the approval of Major League Baseball or its clubs.