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8/4/2013 4:54 P.M. ET

Rodriguez working toward 2014 A's debut

OAKLAND -- There's another member of the Jed Lowrie trade who roams the A's clubhouse every day, mostly inconspicuously.

Rehabbing right-hander Fernando Rodriguez has yet to pitch for the A's since being dealt with Lowrie by the Astros, but he's around the Coliseum during every homestand working his way back from Tommy John surgery.

Rodriguez, who underwent the procedure in March, is progressing on schedule. He's throwing long toss and, once out to 120 feet in a few weeks, will pitch from flat ground before graduating to a mound. Barring any setbacks, he hopes to be throwing bullpen sessions by October.

Rodriguez said he'd be up to pitching in the Arizona Fall League or with a winter ball team if allowed to do so. Either way, he expects to be at 100 percent by Spring Training.

The 28-year-old right-hander compiled a 10.13 ERA in four Spring Training games with the A's before learning that his ulnar collateral ligament was torn. Last year, he appeared in 71 games for Houston, compiling a 5.38 ERA and 78 strikeouts in 70 1/3 innings.

Vogt passes concussion tests after rough Saturday

OAKLAND -- After taking a bat to the top of his head on Saturday, catcher Stephen Vogt underwent a series of concussion tests on Sunday morning, all of which came back normal.

Vogt was hit on a Jurickson Profar swing in the sixth inning of the A's 4-2 win, but didn't leave the game until taking a foul ball off his face mask in the eighth.

He was not in the lineup for Oakland's Sunday finale against the Rangers but was deemed available off the bench by manager Bob Melvin.

"He went through a battery of tests this morning and was cleared," Melvin said, "so that's a good thing."

"I feel much better," said Vogt. "Obviously it hurts on touch, but, really, it's just a knot on my head. Nothing I can't play with."

The A's already have one catcher on the seven-day concussion disabled list in John Jaso, who went through several more tests on Saturday.

"Better," Melvin said. "Still not cleared for activity yet, but I think each and every day they have a scale showing he gets better and better every day. I think we're close to baseball activity but still not there yet."

Jaso won't travel with the team to Cincinnati on Monday but there's a chance he can join them in Toronto later in the week.

Jane Lee is a reporter for MLB.com. Read her blog, Major Lee-ague, and follow her on Twitter @JaneMLB. This story was not subject to the approval of Major League Baseball or its clubs.