NEW YORK (AP) -- The New York Mets say first baseman Ike Davis likely has valley fever and will be given days off to avoid extreme fatigue, a common symptom of the disease.
The Mets made the announcement Saturday night after MLB.com reported Davis' condition earlier in the day.
Valley fever is a fungal infection found in the dirt in desert regions of the Southwest and can be stirred up by construction and winds. Davis lives in Arizona in the offseason.
The Mets say Davis is not contagious and will continue to play at spring training. He had two hits in an intrasquad game Saturday.
Valley fever can be a serious problem. Conor Jackson missed all but the first 30 games of the 2009 season with the Arizona Diamondbacks after contracting it.