It would cost the city of Palm Beach Gardens a reported $5.8 million to purchase some county-owned land in order to build a spring training facility for the Houston Astros and Toronto Blue Jays. 

The results of two independent appraisals were released by Palm Beach County officials this week. 

The ballpark would go up off Central Blvd., not far from Roger Dean Stadium in Jupiter, where the Miami Marlins and St. Louis Cardinals play their spring training. 

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