Purchase this image Portland Sea Dogs infielder Mason White takes a look at third base before making a throw to first during practice on July 30 (Staff photo by Derek Davis/Staff Photographer) View 5 photos Carlson, Mullins and White are minor league baseball players for the Portland Sea Dogs, the Double-A affiliate of the Boston Red Sox. Most players with a car live in Scarborough, while those that don’t have one live in Portland, within walking distance of Hadlock Field at Delta Dental Park, where the Sea Dogs practice and play their home games.