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07/02/11 3:30 PM ET

Acosta proves health in bullpen session

NEW YORK -- Mets reliever Manny Acosta threw a brief bullpen session Saturday morning with no ill effects, appeasing the Mets enough to keep him off the disabled list.

Acosta, who hyperextended his right wrist Thursday in Detroit, was available to pitch on Saturday, if needed.

"He's fine," manager Terry Collins said before the game. "He's available today."

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Prior to falling on his wrist and bending it backward in the eighth inning Thursday, Acosta had produced a 9.35 ERA in nine appearances with the Mets. He has been used mostly in mop-up scenarios, though the Mets are comfortable with the right-hander's splits against left-handed hitters, whom he has held to a .167 average this season.

Roster decisions looming for Mets

NEW YORK -- If the estimates are accurate and injured third baseman David Wright does return shortly after the All-Star break, the Mets will suddenly have quite a few personnel decisions to tackle.

Already, team brass has begun stewing over them.

"We've certainly thought about it," manager Terry Collins said of his roster machinations. "But so many things can happen within the next two weeks that when we get closer, we'll worry about it. I'm hoping that David's that close."

Once Wright returns, the Mets must decide whether to commit to Ruben Tejada or Justin Turner as their everyday second baseman; recently, the two have split time at second while Turner has also filled in regularly at third. The Mets won't keep the 21-year-old Tejada in the Majors unless he's playing every day, making him perhaps the most expendable player on the roster.

Plans could also change if the club's regular first baseman, Ike Davis, is able to avoid ankle surgery and inch toward a return from the disabled list. That, along with continued production from Lucas Duda, would offer the Mets incentive to give fill-in first baseman Daniel Murphy innings at second.

With roughly two weeks remaining until Wright's estimated return, then, quite a few questions remain unanswered -- meaning Collins won't spend any more time than necessary discussing the contingencies.

"There are so many scenarios that are going to take place in the next two weeks," the manager said. "We're just going to let them play out."

Duda earning starts vs. hard-throwing righties

NEW YORK -- Lucas Duda earned the start at first base Saturday against a hard-throwing right-hander, Bartolo Colon. His last start came against another hard-throwing right-hander, Justin Verlander. Such has become his specialty.

"It is tough when you only play two, three, four days a week, and go out and face Verlander, Colon," Duda said. "It's tough, but you've got to battle."

Since returning to the big leagues last month, Duda has done precisely that, entering Saturday's play with a .360 average and a .560 slugging percentage over his last seven games -- including five starts. The Mets are trusting him more and more to provide some left-handed thump at the bottom of their order, with regular first baseman Ike Davis on the disabled list.

Concerned about stacking his lineup with too many right-handers against Colon, Terry Collins inserted Duda into his lineup Saturday because, in the manager's words, "if he gets his pitch, he can do some damage."

Though he is not playing every day, as he did during a successful Minor League stint earlier this season, Duda has leaned on veteran bench players Willie Harris and Scott Hairston for advice on how best to prepare for unknown circumstances. Sometimes, Collins tells Duda in advance if he will be playing. Sometimes, he does not.

"It's tough," Duda said. "You've got to adjust, and go about your business every day like you're going to be in the starting lineup. That at least gives me a sense of security."

Barring injury, Duda knows he will not be an everyday player anytime soon. He is learning how to deal with that.

"I'm getting more comfortable with it," Duda said. "I'm getting more used to it, anyway. That's what my job is right now, so all I can do is go out and do it."

Anthony DiComo is a reporter for MLB.com. Follow him on Twitter @AnthonyDicomo. This story was not subject to the approval of Major League Baseball or its clubs.