Karen “Kayo” O’Maxfield and her husband Gary “Pops “Goldberg-O’Maxfield, as part of the Friends of Vintage Base Ball, led the effort to develop a base ball field, the Hartford Base Ball Grounds at Colt Meadows in Hartford’s Colt Park, back in 2010. They also founded the Coltsville Vintage Base Ball League which played their games at that field from 2010-2013. They also hosted the Colt Meadows Invitational there.