Abstract: An anchor includes a frame assembly and a removable cover plug. The frame assembly includes an access frame having a bottom and a wall defining an upper opening and a cavity therein, a first flexible seal extends above the upper opening of the wall, and at least one vertical member is in communication with the cavity of the access frame. The plug is operable for covering opening in the access frame. The plug includes a platform for supporting synthetic turf on the platform. When the plug is removed, at least one stanchion of a base, a home plate, a double base, or a pitcher's rubber is engageable with the vertical member.