CHICAGO - David Wright could resume baseball activities as soon as Tuesday. But it appears that following his most recent setback, the Mets must go on a bit longer without their third baseman. Uncertainty remains about a return date.

"Based on how it's going, I'm not going to make any guesses," assistant general manager John Ricco said before Monday night's game against the Cubs.

Wright went on the disabled list on April 15 with a strained right hamstring. But as he progressed toward his rehab assignment, he came down with back soreness that forced him into a regimen of rest and anti-inflammatory medication.

Those treatments continued yesterday, Ricco said.

Once Wright is cleared for baseball activities, he will need to play in rehab games before he can be activated from the DL.

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D'Arnaud catching up

Doctors cleared catcher Travis d'Arnaud for limited baseball activities after an exam Monday revealed sufficient progress from a fractured right pinkie finger that has sidelined him since April 20.

While d'Arnaud will begin catching and throwing, Ricco said he won't begin swinging a bat for another week. He is expected to start a rehab shortly after he begins hitting.

"He was seen, they were happy with the healing and he was cleared," Ricco said.

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Parnell resumes rehab

After a setback in his recovery from Tommy John surgery, Bobby Parnell resumed his rehab assignment. It was bumpy.

In one inning for Class-A St. Lucie, Parnell allowed three runs on two hits and a walk. He threw a pair of wild pitches.

According to Baseball Prospectus, Parnell's fastball touched 96 mph but sat at mostly 90-92. He didn't throw curveballs for strikes.