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8/19/2013 10:14 P.M. ET

Bucs option Johnson, add fresh arm in Reid

SAN DIEGO -- The Pirates recalled right-hander Ryan Reid from Triple-A Indianapolis on Monday and optioned left-hander Kris Johnson to the same Indianapolis club.

Reid serves as a fresh arm for a pitching staff that has been taxed of late, most recently Sunday in a 16-inning loss to Arizona. Johnson made his Major League debut in that game and took the loss, going six innings for a pitching staff that had three relievers who were unavailable.

The callup is Reid's third stint with the Pirates this season. Reid pitched in six games in June for Pittsburgh, posting a 1.00 ERA in nine innings. He allowed seven hits and two walks to go with six strikeouts. Reid also pitched two innings July 4.

Manager Clint Hurdle said he had a positive message for Johnson following the fill-in effort Sunday.

"I told him I was just so proud of him," Hurdle said. "It's one of the great honors you have as a Major League manager, is penciling a guy's name in the lineup to make his Major League debut. The job he did for us was exciting to watch and obviously well-needed for our club and our bullpen."

Johnson allowed two runs on five hits in six innings in relief. He walked two and struck out five.

Rodriguez feels off after bullpen session

SAN DIEGO -- Wandy Rodriguez threw a bullpen session Monday afternoon at Petco Park to continue his throwing program as he recovers from soreness in his left forearm.

Rodriguez threw 40 pitches in what he had called a critical step in his rehabilitation, but he seemed only somewhat encouraged afterward.

"I threw 40 pitches," Rodriguez said. "I didn't feel 100 percent. I'm going to throw a simulated game on Thursday and see what happens."

While Rodriguez could not pinpoint what it was about the throwing session that left his arm feeling less than full strength, he did say there was still discomfort.

"I feel it a little bit," Rodriguez said. "I feel something. I don't know how to explain it, but I feel something."

Thursday's simulated game will provide more insight on where Rodriguez stands in his recovery. With September approaching and the end of Minor League seasons coming along with it, Rodriguez is running out of time to go on a rehab assignment. He could, however, still be eligible for potential postseason games and not subject to the Aug. 31 deadline because of his injured status.

Another injured Pirates pitcher, closer Jason Grilli, was scheduled to throw from 120 feet on Monday as well as he continues to recover from a right forearm strain.

Ready to test toe, Snider begins rehab stint

SAN DIEGO -- Travis Snider began his rehab assignment with Double-A Altoona on Monday. The outfielder played right field and went 1-for-3 with a run scored in the afternoon game of a doubleheader as he recovers from a toe injury.

Pirates manager Clint Hurdle said Snider needed to test the toe with game action.

"He is good to go and wants to see how good he is to go now," Hurdle said. "We did all the testing we can with running and with him taking BP, shagging balls off bats, so he needs to get in the box. We'll know more information this week as he starts to play."

Snider has been out since July 28 with the injury, which has been described as similar to turf toe. The club does not have a timetable for Snider's return but could benefit from adding him to the team soon, having just optioned outfielder Andrew Lambo to Triple-A Indianapolis on Sunday to bring up pitcher Kris Wilson.

Tim Powers is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.