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Chambers lone callup as rosters expand to 40

Club plans to elevate trio of pitchers from Triple-A on Tuesday

PITTSBURGH -- Rosters expanded across baseball Sunday, though there was little evidence of that wrinkle in the Cardinals' clubhouse before the team's series finale against the Pirates.

With the organization waiting until Tuesday to bring up additional pitching support, the only player recalled from the Minors on Sunday was speedy outfielder Adron Chambers. Teams are free to move as many of their 40-man roster players as they want to the active rosters for this final month of the season.

The addition of Chambers gives the bench added speed and outfield depth. It is the third straight season that Chambers has been a September summons and will be his second stint with the big league club this season.

"It lets me know that I belong here," said Chambers, who arrived in Pittsburgh on Saturday night. "It's just continuing to give me a chance to learn the ins and outs of the game. It's helping me every time I come just to get more comfortable."

Chambers appeared in 11 games with the Cardinals in August, went 1-for-12 off the bench and scored both times that he was inserted into the game as a pinch-runner.

"Obviously, he's a weapon off the bench to come in and run or take a pinch-hit at-bat if we need him to," manager Mike Matheny said. "He just brings a lot of energy. He's good to have around here."

The Cardinals intend to bring up three additional pitchers -- Michael Wacha, Tyler Lyons and Carlos Martinez -- from their Double-A Springfield roster Tuesday. Wacha will start Tuesday night against the Reds in Cincinnati. The organization may consider plucking another extra arm from Memphis, though that likely wouldn't happen until after the Triple-A team wraps up play. Memphis is positioned for postseason play.

The timing would likely be the same for any other position players added from Memphis. Brock Peterson, Jermaine Curtis and Ryan Jackson are likely to get consideration for a later callup.

Jenifer Langosch is a reporter for MLB.com. Read her blog, By Gosh, It's Langosch, and follow her on Twitter @LangoschMLB.
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