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BRADENTON (KDKA) — Reports say Pirates catcher Elias Diaz has an illness that could keep him on the shelf for an extended period of time.

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Pittsburgh Post-Gazette Pirates beat writer Nubyjas Wilborn says Diaz will be evaluated on a week-to-week basis until the illness is taken care of.

“Elias Diaz is suffering from an “undisclosed virus” and is being evaluated “week to week”The #Pirates catcher is fully shut down from baseball activities. Diaz could possibly start the season on the IL.”

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Diaz is fully shutdown from baseball activities currently, and may miss the start of the season because of the virus.

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In 82 games last season after splitting time with Francisco Cervelli, Diaz recorded 72 hits and 34 RBI with a .286 batting average. He has been with the Pirates for the last four seasons.