SAN FRANCISCO (CBS/AP) -- The San Francisco Giants plan to place heralded rookie Brandon Belt on the disabled list after an MRI revealed a hairline fracture in slugger's left wrist.

Belt was hit by a pitch from St. Louis' Trever Miller in the seventh inning of Tuesday's 4-3 loss to the Cardinals. Manager Bruce Bochy initially thought Belt would miss a few days and return to the lineup, but tests performed Saturday morning revealed the fracture in Belt's wrist.

Bochy called the loss of Belt "a tough break" and declined to give a timetable when he might return.

Belt's injury comes one week after catcher Buster Posey was lost for the year.

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